Chinese Standards Shop Partner of Google-Books Database: 169759 (Sep 15, 2019)
 HOME   Quotation   Tax   Examples Standard-List   Contact-Us   View-Cart
  

HJ 874-2017

Search Result of Chinese Standard: 'HJ 874-2017'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusRelated Standard
HJ 874-2017English299 ASK Days<=3 Solid waste. Determination of acrolein, acrylonitrile and acetonitrile. Headspace gas chromatography method Valid HJ 874-2017
HJ 874-2017Chinese18 Add to Cart <=1-day [PDF from Chinese Authority, or Standard Committee, or Publishing House]  

   
Detail Information of HJ 874-2017; HJ874-2017
Description (Translated English): Solid waste. Determination of acrolein, acrylonitrile and acetonitrile. Headspace gas chromatography method
Sector / Industry: Environmental Protection Industry Standard
Classification of Chinese Standard: Z13
Classification of International Standard: 13.030.10
Word Count Estimation: 15,171
Date of Issue: 2017-11-28
Date of Implementation: 2018-01-01
Quoted Standard: HJ/T 20; HJ/T 298; HJ/T 299; HJ/T 300
Drafting Organization: Yangzhou Environmental Monitoring Center Station
Administrative Organization: Ministry of Environmental Protection
Regulation (derived from): Ministry of Environmental Protection Announcement 2017 No. 59
Summary: This standard specifies headspace-gas chromatography for the determination of acrolein, acrylonitrile and acetonitrile in solid wastes and their leachates. This standard applies to the determination of acrolein, acrylonitrile and acetonitrile in solid wastes and leachates. When the solid waste sample volume is 2.0 g, the detection limit of acrolein and acrylonitrile is 0.3 mg/kg, and the lower limit of determination is 1.2 mg/kg; the detection limit of acetonitrile is 0.4 mg/kg and the lower limit of determination is 1.6 mg. /kg. When the solid waste leachate volume was 10 ml, the detection limit of acrolein, acrylonitrile and acetonitrile was 0.05 mg/L, and the lower limit of determination was 0.20 mg/L.

HJ 874-2017
(Solid waste - Determination of acrolein, acrylonitrile and acetonitrile - Headspace - gas chromatography)
People's Republic of China national environmental protection standards
Solid waste - Determination of acrolein, acrylonitrile and acetonitrile
Headspace - gas chromatography
Solid waste-Determination of acrolein, acrylonitrile and
acetonitrile-Headspace gas chromatography method
2017-11-28 Posted
2018-01-01 implementation
Ministry of Environmental Protection released
i directory
Foreword ..II
1 Scope 1
2 Normative references 1
3 method principle 1
4 Reagents and materials
5 instruments and equipment
6 samples .3
7 Analysis Step 4
8 Results Calculation and Presentation 5
9 Precision and accuracy 7
10 Quality Assurance and Quality Control 8
11 Waste treatment .8
12 Notes .8
Appendix A (informative) method of precision and accuracy .9
Foreword
In order to carry out the "Law of the People's Republic of China on Environmental Protection" and the "Law of the People's Republic of China on Prevention and Control of Environmental Pollution by Solid Waste," protect the environment,
Protection of human health, regulate solid waste and leachate acrolein, acrylonitrile and acetonitrile determination, the development of this standard.
This standard specifies the determination of solid waste and leachate acrolein, acrylonitrile and acetonitrile by headspace - gas chromatography.
Appendix A of this standard is an informative annex.
This standard is released for the first time.
This standard by the Environmental Protection Department of Environmental Monitoring Division and Science and Technology Standards Division to develop.
This standard was drafted. Yangzhou City Environmental Monitoring Center Station, Nanjing Environmental Monitoring Center Station.
This standard verification unit. Zhenjiang Environmental Monitoring Center Station, Jiangsu 新锐 Environmental Monitoring Co., Ltd., Changzhou City Environmental Monitoring Center, Jiang
Yin City Environmental Monitoring Station, Wuxi City Environmental Monitoring Center Station and Taizhou City Environmental Monitoring Center Station.
This standard MEP approved on November 28,.2017.
This standard since January 1,.2018 come into operation.
This standard is interpreted by the MEP.
Solid waste - Determination of acrolein, acrylonitrile and acetonitrile - Headspace - Gas chromatography
Warning. reagents and standard solutions used in the experiment are volatile toxic compounds, the preparation process should be carried out in a fume hood; operation
When required, wear protective equipment as required to avoid contact with skin and clothing.
1 scope of application
This standard specifies the determination of solid waste and leachate acrolein, acrylonitrile and acetonitrile by headspace - gas chromatography.
This standard applies to solid waste and leachate acrolein, acrylonitrile and acetonitrile determination.
The detection limit of acrolein and acrylonitrile was 0.3 mg/kg when the sample of solid wastes was 2.0 g, and the lower limit of determination was 1.2 mg/kg.
The detection limit of acetonitrile was 0.4 mg/kg, and the lower limit of determination was 1.6 mg/kg. Solid waste leachate volume of 10 ml, acrolein,
The method detection limit of nitrile and acetonitrile was 0.05 mg/L, and the lower limit of determination was 0.20 mg/L.
2 Normative references
This standard references the following documents or the terms of them. For undated references, the effective version applies to this standard.
HJ/T 20 Industrial solid waste sampling Sampling specifications
HJ/T 298 Hazardous Waste Identification Technical Specifications
Solid waste extraction toxicity Toxicity method HNO3 method
HJ/T 300 solid waste leaching toxic leaching method acetic acid buffer solution method
3 method principle
At a certain temperature, the volatile components in the sample in the headspace vial volatilize to the liquid space to generate the vapor pressure. In the gas-liquid-solid three-phase (or gas
Liquid two-phase) to reach the thermodynamic equilibrium, the volatile components in the gas phase separated by gas chromatography, flame ionization detector detection. To
Retention time Qualitative, peak height or peak area quantification.
4 Reagents and materials
Unless otherwise specified, analytical reagents are used in accordance with national standards for analytical purposes. The experimental water is a freshly prepared, organo-free
Water.
4.1 Acrolein (C3H4O). Chromatographic purity.
4.2 Acrylonitrile (C3H3N). Chromatographic purity.
Acetonitrile (C2H3N). Chromatographic purity.
4.4 Methanol (CH3OH). Chromatographic purity.
24.5 Sodium chloride (NaCl). excellent grade pure. Bake at 400 ℃ 4 h, remove possible interference substances, sealed in a sealed glass jar after cooling
Save.
4.6 Phosphoric acid. ρ (H3PO4) = 1.874 g/ml.
4.7 matrix modifier. Take 500 ml of water, add a few drops of phosphoric acid (4.6) adjust pH ≤ 2, add 180 g of sodium chloride (4.5), dissolved
Mix well.
4.8 Acrolein, acrylonitrile and acetonitrile mixed standard solution. ρ =.2000 mg/L.
Weigh 0.20 g (accurate to 0.1 mg) acrolein (4.1), acrylonitrile (4.2) and acetonitrile (4.3) in a small amount of water, using experimental water
Set the volume to 100 ml. Or direct purchase of certified public standard solution. Standard solution at 0 ℃ ~ 4 ℃ dark place. After unsealing with dense bottles to avoid
Light preservation, valid for 1 month.
4.9 Quartz sand (SiO2). 270 μm ~ 830 μm (20 mesh ~ 50 mesh). Before use to go through a blank test to confirm that no target compound or
The target compound concentration is below the method detection limit.
4.10 Carrier gas. high purity nitrogen (≥99.999%).
4.11 Gas. High purity hydrogen (≥99.999%).
4.12 help gas. air, dehydration organic matter.
5 instruments and equipment
5.1 Gas Chromatograph. Capillary Split/Splitless Inlet, Programmable Temperature, Flame Ionization Detector (FID).
5.2 Capillary column. column 1.30 m × 0.32 mm × 0.50 μm, 100% polyethylene glycol solution, other equivalent capillary column can also be used.
Column 2.30 m × 0.32 mm × 0.25 μm, 50% diphenyl 50% dimethylsiloxane fixative, other equivalent capillary columns are also available.
5.3 Headspace Sampler. headspace bottles, gaskets (Teflon/siloxane or Teflon/butyl rubber), sealed caps (screw caps
Or one-time gland).
5.4 reciprocating oscillator. oscillation frequency of 150 times/min, headspace bottle can be fixed.
5.5 Balance. a sense of the amount of 0.01 g, 0.0001 g.
5.6 Micro syringe. 10 μl, 100 μl.
5.7 Sampling equipment. shovels and stainless steel medicine spoon.
5.8 Vials. 60 ml or 250 ml, threaded brown glass with Teflon septa.
5.9 Brown glass bottle. 2 ml with Teflon liner and solid screw cap.
5.10 Portable Reefer. Volume 20 L, temperature below 4 ℃.
5.11 disposable Pasteur glass pipette.
5.12 common laboratory equipment and equipment.
36 samples
6.1 sample collection and preservation
Solid waste samples were collected and stored in accordance with HJ/T 20 and HJ/T 298 regulations. Tool for collecting samples should be made of metal
Products, should be purified before use. All samples should be collected at least 3 representative samples. Use sampling equipment (5.7) to sample as soon as possible
Set in vial (5.8) and fill as much as possible. Quickly remove the sample bottle thread and the outer surface of the sample attached to the sealed sample vial, set
In a portable refrigerator (5.10), back to the laboratory.
Samples should be analyzed as soon as possible after entering the laboratory. If you can not immediately analyze, should be kept away from the organic vapor in the environment below 4 ℃ sealed,
And within 48 h to complete the analysis. Samples for leaching toxicological analysis should also be analyzed within 48 h.
Note. Do not agitate solid waste during sample collection to avoid volatilization of target compound in solid waste.
6.2 Sample Preparation
6.2.1 Preparation of low-level solid waste samples
Remove the vial containing the sample and after returning to room temperature, weigh 2 g (to 0.01 g) of the sample in the vial,
Headspace bottle by adding 10 ml of matrix modifier (4.7), immediately sealed. Oscillate on the reciprocating oscillator (5.4) at 150 strokes/min
10 min, to be measured.
6.2.2 Preparation of high-solids solid waste samples
When the solid waste sample is solid and the concentration of the target compound in the sample is greater than 150 mg/kg, or the solid waste sample is liquid and the sample
When the target compound concentration is more than 30 mg/L, the sample is regarded as a high content sample.
Remove the vial containing the sample and, after returning to room temperature, weigh 2 g (to 0.01 g) of the sample in 10 ml of methanol (4.4)
Vial, sealed immediately and shaken on a reciprocating shaker (5.4) at 150 strokes/min for 10 min. After standing settlement, use
Disposable Pasteur pipettes (5.11) Pipette approximately 1 ml of methanol extract into 2 ml brown glass vials (5.9), extract if necessary
The liquid can be centrifuged. The extract was stored in the dark at 4 ℃, the shelf life of 48 h.
After the methanol extract was returned to room temperature prior to analysis, 2 g (to 0.01 g) of quartz sand (4.9),
10 ml matrix modifier (4.7), according to the concentration of the sample by adding 10 μl ~ 100 μl of methanol extract, sealed immediately, mix well and test.
Note. If the concentration of the target compound in methanol extract higher, methanol can be used for proper dilution.
6.2.3 Preparation of leachate samples
Solid waste leachate samples were prepared according to the Leaching Procedure for Volatile Organic Compounds in HJ/T 299 or HJ/T 300. Pipette 10 ml leach
Liquid to the headspace bottle, immediately sealed, to be measured.
6.3 blank sample preparation
6.3.1 Solid Waste Low Sample Preparation Blank samples
4 Weigh 2g (accurate to 0.01 g) of quartz sand (4.9) instead of a low level of solid waste samples and prepare a low level of blank according to 6.2.1
Sample.
6.3.2 solid waste high content sample Blank sample preparation
Weigh 2g (accurate to 0.01 g) of quartz sand (4.9) instead of high solid waste samples and prepare high levels of blank according to 6.2.2
Sample.
6.3.3 Preparation of solid waste leachate blank sample
According to the HJ/T 299 or HJ/T 300 leaching method, pipette 10 ml of the extractant into a vial and seal it immediately for testing.
7 Analysis steps
7.1 Instrument reference conditions
7.1.1 Headspace sampler reference conditions
Heating equilibrium temperature 85 ℃; Heating balance time 20 min; Sample needle temperature 95 ℃; Transmission line temperature 100 ℃; Transmission line
Inactivation, quartz capillary 0.32 mm ID; pressure equalization time 2 min; injection time 0.1 min; headspace bottle pressure 40 psi.
7.1.2 GC reference conditions
Inlet temperature. 150 ° C; pressure. 4 psi; injection mode. split injection, split ratio. 1.1. Oven temperature program. 40 ℃ to maintain
5.0 min. The temperature was increased to 60 ° C at a rate of 5 ° C/min and then to 150 ° C at a rate of 30 ° C/min for 5.0 min. FID
Detector temperature. 250 ° C; Carrier gas. Nitrogen; Hydrogen flow. 40 ml/min; Air flow. 450 ml/min.
7.2 Calibration
7.2.1 solid waste calibration curve drawing
Add 2 g (accurate to 0.01 g) of quartz sand (4.9), 10 ml of matrix modifier (4.7), followed by
Add 0 μl, 1.00 μl, 10.0 μl, 50.0 μl, 100 μl, and 150 μl of a mixed standard solution of acrolein, acrylonitrile and acetonitrile (4.8)
The target compounds were prepared with the calibration curve series of 0 μg, 2.0 μg, 20.0 μg, 100 μg,.200 μg and 300 μg, respectively. In the reciprocating
Oscillator (5.4) at a frequency of 150 times/min oscillation 10 min, according to the instrument reference conditions (7.1) followed by analysis, mass (μg)
For the abscissa, peak area or peak height for the vertical axis, draw the calibration curve.
7.2.2 solid waste leachate calibration curve drawing
Add 10 ml of experimental water to 6 headspace bottles and then add 0 μl, 1.00 μl, 10.0 μl, 50.0 μl, 100 μl, and 150 μl
(4.8) of acrolein, acrylonitrile and acetonitrile, the concentration of the target compounds were 0 mg/L, 0.20 mg/L, 2.00
mg/L, 10.0 mg/L, 20.0 mg/L and 30.0 mg/L calibration curve series. According to the instrument reference conditions (7.1) followed by analysis,
The concentration (mg/L) for the abscissa, peak area or peak height for the vertical axis, draw the calibration curve.
7.3 Determination
5 Place the prepared sample (6.2) on the headspace sampler (5.3) and perform the measurement according to the instrument reference conditions (7.1).
7.4 Blank test
The prepared blank sample (6.3) is placed on the headspace sampler (5.3) and the measurement is made according to the instrument reference conditions (7.1).
8 results calculated and said
8.1 Qualitative analysis
Samples are characterized by retention time. Pre-sample analysis, the establishment of retention time window t ± 3s. t for the first calibration of the concentration of the target compound level
, And s is the standard deviation of the retention time of the target compound at each concentration level at initial calibration. When the sample is analyzed, the target should be
The peak in the retention time window. When using this method can not be qualitative, column 2 can be used to do auxiliary qualitative confirmation, but also can be further confirmed by mass spectrometry.
According to the instrument reference conditions (7.1) analysis, the standard chromatogram of acrolein, acrylonitrile and acetonitrile on the column 1 is shown in Figure 1, acrolein,
The standard chromatogram of acrylonitrile and acetonitrile on column 2 is shown in Figure 2.
1-propenal; 2-acrylonitrile; 3-acetonitrile
Figure 1 Acrolein, acrylonitrile and acetonitrile in the chromatogram of a standard chromatogram
Acrolein; 2-Acetonitrile; 3-Acrylonitrile.
Figure 2 Standard chromatograms of Acrolein, Acrylonitrile and Acetonitrile on Column 2
8.2 Calculation Results
8.2.1 Calculation of the results of low level solid waste samples
The content of acrolein, acrylonitrile and acetonitrile (mg/kg) in the low-level solid waste is calculated according to the formula (1).
m (1)
Where.  - target compound content, mg/kg;
0m - the mass of the target compound calculated from the calibration curve, μg;
1m - sample weight (wet weight), g.
8.2.2 Calculation of the results of high content solid waste samples
Acrolein, acrylonitrile and acetonitrile content (mg/kg) in high-level solid waste are calculated according to equation (2).
s1
0 0.10
Vm
fm
 (2)
Where.  - target compound content, mg/kg;
0m - the mass of the target compound calculated from the calibration curve, μg;
10.0 - volume of extract, ml;
f - dilution of the extract;
1m - sample weight (wet weight), g;
Vs - volume of methanol extract used for headspace determination, ml.
78.2.3 Solid Waste Leachate Sample Results Calculation
Solid waste leachate acrolein, acrylonitrile and acetonitrile content directly from the calibration curve, in mg/L said.
8.3 results indicated
8.3.1 Determination of solid waste, when the measurement is less than 10.0 mg/kg, to retain a decimal point; when the measurement results greater than or equal to 10.0
mg/kg, keep 3 significant digits.
8.3.2 Determination of solid waste leachate, when the measured results is less than 1.00 mg/L, to retain the second decimal place; when the measurement results greater than or equal to
At 1.00 mg/L, 3 significant digits are reserved.
9 precision and accuracy
9.1 Precision
Six laboratories tested the actual samples of three solid wastes with the standard additions of 5.0 mg/kg, 10.0 mg/kg and 100 mg/kg, respectively
set. The relative standard deviations (RSDs) in the laboratory determined by solid waste matrix spiked with low concentration samples ranged from 0.3% to 9.4%
The standard deviation is between 4.0% and 8.1%, the repeatability limit is between 0.6 mg/kg and 1.0 mg/kg, and the reproducibility limit is between 0.8 mg/kg and 1.4 mg/kg
between. The relative standard deviations (RSDs) in the laboratory of solid waste substrate spiked in medium concentration samples ranged from 0.1% to 7.0%
The standard deviation ranged from 2.7% to 7.0% with repeatability of 0.9 mg/kg to 1.3 mg/kg and reproducibility of 1.2 mg/kg to 2.2 mg/kg
between. The relative standard deviations (RSDs) in the laboratory for the determination of solid waste substrate spiked at high concentration ranged from 0.2% to 5.0%
The standard deviation ranged from 1.7% to 3.8% with repeatability limits of 6.8 mg/kg to 9.3 mg/kg with reproducibility limits of 7.8 mg/kg to 13.0 mg/kg
between.
The six laboratories tested the actual samples of three solid waste leachate samples with additions of 1.00 mg/L, 2.00 mg/L and 20.0 mg/L, respectively
Determination of the line. The relative standard deviations (RSDs) in the laboratory for solid waste leachate samples spiked at low concentrations were between 1.6% and 9.9%
The relative standard deviation of laboratory was 5.8% ~ 13%, the repeatability limit was 0.12 mg/L ~ 0.20 mg/L, the reproducibility limit was 0.24
mg/L ~ 0.37 mg/L. The relative standard deviations (RSDs) in the laboratory of solid waste leachate matrix spiked with medium concentration samples ranged from 0.7%
9.7%. The relative standard deviations (RSDs) were between 4.6% and 12%, and the repeatability limits were between 0.25 mg/L and 0.37 mg/L.
The limits are between 0.34 mg/L and 0.74 mg/L. Laboratory relative standard deviation of solid waste leachate matrix spiked with high concentration samples
The relative standard deviations were between 1.7% and 5.2% in the range of 0.4% -7.8%, and the repeatability was between 1.58 mg/L and 2.41 mg/L
The reproducibility was between 1.85 mg/L and 3.60 mg/L.
9.2 Accuracy
Six laboratories measured the spiked samples of solid waste substrates. When the sample was added at a standard volume of 5.0 mg/kg, the recovery of the matrix was within the standard
80.0% ~ 108%. The final value of spiked recoveries ranged from 92.7% ± 13% to 98.4% ± 20%. The standard addition was 10.0 mg/kg
, The recoveries of spiked samples ranged from 88.4% to 106%, and the final spiked recoveries ranged from 95.6% ± 1.8% to 98.7% ± 14%
The recovery of spiked samples was 80.0% ~ 106% at the standard addition of 100 mg/kg and the final value of spiked recoveries was 96.2% ± 18% ~
99.2% ± 4.7%.
Solid waste leachate scalar 1.00 mg/L, the matrix spike recovery was between 82.5% to 106%, the final value of the spike recovery
Value ranged from 93.6% ± 9.3% to 97.8% ± 16%. When the solid waste leachate was added with the scalar quantity of 2.00 mg/L, the recovery rate of matrix was 89.7%
113%. The final value of spike recoveries ranged from 94.2% ± 8.5% to 102% ± 12%. The standard of solid waste leachate was 20.0 mg/L
, The recoveries of spiked samples were in the range of 80.0% -106%, and the final values of spiked recoveries ranged from 95.0% ± 4.1% to 98.4% ± 5.0%.
See Appendix A for the precision and accuracy of the solid waste and solid waste leachate methods.
10 Quality Assurance and Quality Control
10.1 Calibration
Before the sample test, draw a calibration curve of not less than 5 concentration points, the correlation coefficient of the calibration curve should be ≥0.995, if it can not meet the requirement
Seeking, need to redraw the calibration curve.
10.2 Blank test
At least one laboratory blank should be determined for each batch of samples. The concentration of target compound in the blank sample should be below the detection limit of the method.
10.3 parallel sample determination
One parallel sample is analyzed every 20 samples or batches (less than 20 samples/batch), and if the sample contains the target compound, the parallel
The relative deviation of the measured value of the sample should be less than 20%.
10.4 Spike recovery
Analyze a spiked sample every 20 samples or batches (less than 20 samples/batch) and spike the recovery of the target compound in the sample
Between 70% and 130%.
11 Waste treatment
The wastes generated from the experiments that contain organic reagents should be stored centrally and entrusted to qualified units for processing.
12 Precautions
12.1 During sample storage and transportation, to avoid the sample being stained, the sample should be refrigerated and stored in the sealed, dark storage freezer.
12.2 The instruments and materials used in the analysis should not contain the target compounds. The instruments and materials can be cleaned with methanol.
Appendix A
(Informative)
The precision and accuracy of the method
Table A.1 gives the precision index of the solid waste method and Table A.2 shows the accuracy index of the solid waste method. Table A.3 gives
The precision index of the solid waste leachate method, Table A.4 gives the accuracy index of the solid waste leachate method.
Table A.1 solid waste method of precision
Sample Type Compound Name
Scalar
(mg/kg)
Laboratory relative
standard deviation(%)
Relative between laboratories
standard deviation(%)
Repeatability r
(Mg/kg)
Reproducibility limit R
(Mg/kg)
Chemical sludge
Acrolein
5.0 5.1 ~ 8.4 4.1 0.9 1.0
10.0 1.1 ~ 5.8 3.7 1.1 1.4
100 0.5 ~ 4.9 2.6 7.4 9.8
Acrylonitrile
5.0 5.8 ~ 9.1 6.0 1.0 1.2
10.0 1.2 ~ 7.0 4.2 1.3 1.7
100 0.2 ~ 3.4 1.7 6.8 7.8
Acetonitrile
5.0 1.8 ~ 8.9 8.1 0.8 1.4
10.0 1.3 ~ 5.3 5.9 1.1 1.9
100 0.3 to 4.4 3.0 7.9 10.9
Contaminated soil
Acrolein
5.0 4.5 ~ 9.4 4.0 0.9 1.0
10.0 1.4 ~ 5.7 3.6 1.0 1.4
100 0.2 ~ 5.0 2.5 8.3 10.2
Acrylonitrile
5.0 4.0 ~ 8.3 5.3 0.8 1.0
10.0 1.2 ~ 5.3 4.0 1.0 1.4
100 0.2 to 4.0 2.7 7.1 9.8
Acetonitrile
5.0 2.7 ~ 6.9 4.5 0.7 0.9
10.0 1.3 ~ 4.1 5.6 0.9 1.8
100 0.2 ~ 4.6 3.0 8.1 11.0
Chemical waste
Acrolein
5.0 0.9 ~ 9.4 5.9 0.9 1.1
10.0 0.2 ~ 7.0 2.7 1.2 1.3
100 0.2 ~ 4.0 3.8 7.7 12.5
Acrylonitrile
5.0 0.4 ~ 6.5 4.4 0.6 0.8
10.0 1.2 ~ 5.6 7.0 1.1 2.2
100 0.2 ~ 4.8 3.6 9.3 13.0
Acetonitrile
5.0 0.3 ~ 8.4 4.4 0.8 0.9
10.0 0.1 ~ 4.9 3.1 1.0 1.2
100 0.3 to 4.1 3.3 7.8 11.5
Table A.2 Solid Waste Method Accuracy
Sample Type Compound Name
Scalar
(mg/kg)
Spike recovery rate range
Wai (%)
Spike recovery average
P (%)
Spike recovery standards
Deviation P
(%)
Spike recovery final value
(P ± 2 P
) (%)
Chemical sludge
Acrolein
5.0 81.5 ~ 99.5 92.7 6.6 92.7 ± 13
10.0 94.1 ~ 96.7 95.6 0.9 95.6 ± 1.8
100 93.1 ~ 100 97.3 2.5 97.3 ± 5.1
Acrylonitrile
5.0 87.9 ~ 104 95.0 6.0 95.0 ± 12
10.0 92.4 ~ 101 97.7 3.0 97.7 ± 6.0
100 96.4 ~ 100 98.8 1.5 98.8 ± 3.0
Acetonitrile
5.0 84.2 ~ 106 95.9 8.0 95.9 ± 16
10.0 89.1 ~ 104 98.2 5.6 98.2 ± 11
100 92.8 ~ 101 97.7 2.8 97.7 ± 5.5
Contaminated soil
Acrolein
5.0 84.4 ~ 106 96.9 7.3 96.9 ± 15
10.0 95.5 ~ 98.1 96.6 1.0 96.6 ± 2.0
100 95.2 ~ 102 97.7 2.5 97.7 ± 4.9
Acrylonitrile
5.0 80.5 ~ 105 94.0 8.3 94.0 ± 17
10.0 95.2 ~ 104 97.7 3.3 97.7 ± 6.6
100 96.2 ~ 103 99.2 2.4 99.2 ± 4.7
Acetonitrile
5.0 80.0 ~ 108 98.4 9.8 98.4 ± 20
10.0 89.5 ~ 103 98.5 5.1 98.6 ± 10
100 95.1 ~ 101 98.3 2.4 98.3 ± 4.9
Chemical waste
Acrolein
5.0 80.0 ~ 106 94.1 9.0 94.1 ± 18
10.0 90.0 ~ 103 97.5 4.5 97.5 ± 9.0
100 92.6 ~ 104 97.8 3.8 97.8 ± 7.6
Acrylonitrile
5.0 80.0 ~ 106 95.9 8.9 95.9 ± 18
10.0 88.4 ~ 106 98.7 6.9 98.7 ± 14
100 80.0 ~ 106 96.2 8.8 96.2 ± 18
Acetonitrile
5.0 80.2 ~ 106 96.7 9.2 96.8 ± 18
10.0 89.5 ~ 104 98.0 5.1 98.0 ± 10
100 92.2 ~ 100 97.0 2.8 97.0 ± 5.7
Table A.3 solid waste leachate method precision
Sample Type Compound Name
Scalar
(mg/L)
Laboratory relative
standard deviation(%)
Relative between laboratories
standard deviation(%)
Repeatability r
(Mg/kg)
Reproducibility limit R
(Mg/kg)
Chemical sludge
Acrolein
1.00 1.8 ~ 5.8 13 0.12 0.37
2.00 3.6 ~ 7.2 8.1 0.26 0.50
20.0 0.6 ~ 5.2 2.0 2.00 2.11
Acrylonitrile
1.00 2.6 ~ 7.6 11 0.14 0.33
2.00 2.0 ~ 7.5 5.3 0.25 0.37
20.0 1.2 ~ 4.7 3.8 1.83 2.68
Acetonitrile
1.00 2.6 ~ 5.3 11 0.13 0.34
2.00 1.8 ~ 7.7 4.8 0.28 0.37
20.0 1.2 ~ 4.0 3.4 1.58 2.36
Contaminated soil
Acrolein
1.00 3.3 ~ 9.0 9.9 0.18 0.33
2.00 0.7 ~ 9.7 5.5 0.29 0.41
20.0 0.6 ~ 5.4 1.7 1.76 1.85
Acrylonitrile
1.00 1.6 ~ 7.1 11 0.14 0.33
2.00 1.7 ~ 6.5 6.0 0.25 0.40
20.0 1.2 ~ 5.0 2.5 1.90 2.20
Acetonitrile
1.00 2.8 ~ 8.2 9.9 0.18 0.32
2.00 3.1 ~ 6.2 4.6 0.25 0.34
20.0 0.7 ~ 5.0 4.7 1.98 3.16
Chemical waste
Acrolein
1.00 2.8 ~ 7.7 8.8 0.17 0.28
2.00 1.6 ~ 9.1 12 0.35 0.74
20.0 0.6 ~ 4.8 4.4 1.89 2.92
Acrylonitrile
1.00 3.3 ~ 7.6 9.5 0.16 0.31
2.00 4.1 ~ 9.3 11 0.37 0.71
20.0 0.5 ~ 5.8 4.0 1.95 2.85
Acetonitrile
1.00 2.6 ~ 9.9 5.8 0.20 0.24
2.00 3.4 ~ 6.8 11 0.28 0.69
20.0 0.4 ~ 7.8 5.2 2.41 3.60
Table A.4 solid waste leachate method accuracy
Sample Type Compound Name
Scalar
(mg/kg)
Spike recovery rate range
Wai (%)
Spike recovery average
P (%)
Spike recovery standards
Deviation P
(%)
Spike recovery final value
(P ± 2 P
) (%)
Chemical sludge
Acrolein
1.00 88.5 ~ 101 93.6 4.6 93.6 ± 9.3
2.00 89.8 ~ 99.0 95.0 3.5 95.0 ± 7.0
20.0 91.7 ~ 96.5 95.0 2.1 95.0 ± 4.1
Acrylonitrile
1.00 84.9 ~ 101 94.1 5.6 94.1 ± 11
2.00 90.1 ~ 102 96.8 4.9 96.8 ± 9.7
20.0 92.6 ~ 102 98.0 3.6 98.0 ± 7.2
Acetonitrile
1.00 88.4 ~ 103 96.4 5.3 96.4 ± 11
2.00 90.4 ~ 105 98.7 5.5 98.7 ± 11
20.0 93.5 ~ 103 97.1 3.5 97.1 ± 6.9
Contaminated soil
Acrolein
1.00 89.5 to 102 95.9 4.3 95.9 ± 8.6
2.00 89.7 ~ 99.5 94.2 4.2 94.2 ± 8.5
20.0 92.7 ~ 97.8 95.7 2.0 95.7 ± 4.1
Acrylonitrile
1.00 87.5 ~ 101 94.3 5.5 94.3 ± 11
2.00 90.9 ~ 105 96.1 5.3 96.1 ± 11
20.0 95.6 ~ 101 98.4 2.5 98.4 ± 5.0
Acetonitrile
1.00 87.1 ~ 103 95.2 6.8 95.2 ± 14
2.00 90.8 ~ 103 95.7 4.3 95.7 ± 8.7
20.0 92.7 ~ 105 97.9 4.7 97.9 ± 9.5
Chemical waste
Acrolein
1.00 87.2 ~ 99.5 93.6 4.1 93.6 ± 8.2
2.00 92.5 ~ 113 101 6.8 101 ± 14
20.0 91.1 ~ 102 95.2 4.4 95.2 ± 8.8
Acrylonitrile
1.00 88.5 ~ 102 96.0 4.9 96.0 ± 9.9
2.00 97.5 ~ 111 102 5.0 102 ± 10
20.0 80.0 ~ 106 97.6 9.2 97.6 ± 18
Acetonitrile
1.00 82.5 ~ 106 97.8 8.2 97.8 ± 16
2.00 95.1 ~ 111 102 6.2 102 ± 12
20.0 92.2 ~ 105 96.7 5.1 96.7 ± 10
Related standard:   HJ 891-2017  HJ 892-2017
   
 
Privacy   ···   Product Quality   ···   About Us   ···   Refund Policy   ···   Fair Trading   ···   Quick Response
Field Test Asia Limited | Taxed in Singapore: 201302277C | Copyright 2012-2019