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GB 23553-2009: [GB/T 23553-2009] Prometryn wettable powders
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[GB/T 23553-2009] Prometryn wettable powders
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GB 23553-2009
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Basic data | Standard ID | GB 23553-2009 (GB23553-2009) | | Description (Translated English) | [GB/T 23553-2009] Prometryn wettable powders | | Sector / Industry | National Standard | | Classification of Chinese Standard | G25 | | Classification of International Standard | 65.100.20 | | Word Count Estimation | 12,143 | | Date of Issue | 2009-04-27 | | Date of Implementation | 2009-11-01 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 5, 2009 (No. 145 overall) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard specifies the prometryne WP requirements, test methods and marking, labeling, packaging, storage and transportation. This standard applies to Prometryne original drug, suitable additives and fillers from the processing Prometryne WP. | GB 23553-2009: [GB/T 23553-2009] Prometryn wettable powders---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Prometryn wettable powders
ICS 65.100.20
G25
National Standards of People's Republic of China
Prometryne WP
Posted 2009-04-27
2009-11-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
The standard Chapter 3, Chapter 5 are mandatory, the rest are recommended.
Appendix A of this standard is the data appendix.
Since the implementation of this standard, the original industry standard HG2202-1991 "Prometryne WP" void.
The standard proposed by China Petroleum and Chemical Industry Association.
This standard by the National Standardization Technical Committee on Pesticides (SAC/TC133) centralized.
This standard is drafted by. Shenyang Chemical Research Institute.
Participated in the drafting of this standard. Yunnan Chemical Research Institute.
The main drafters of this standard. Wang Yufan, Zhangxue Bing, Chen Meng Liang Xuesong.
Prometryne WP
The product's active ingredient Prometryne other name, structural formula and basic physicochemical parameters are as follows.
ISO common name. prometryn
CIPAC Numeric Code. 93
Chemical name. 4,6-bis-isopropylamino-2-methylthio-s-triazine
Structure.
Empirical formula. C10H19N5S
Molecular Weight. 241.4 (according to 2005 international relative atomic mass)
Biological activity. weeding
Melting point. 118 ℃ ~ 120 ℃
Vapor pressure (20 ℃). 0.133mPa
Solubility (20 ℃). water 33mg/L; acetone 240g/L; dichloromethane 300g/L; hexane 5.5g/L; methanol
160g/L; octanol 100g/L; toluene 170g/L.
Stability. neutral, slightly acidic or slightly alkaline medium (20 ℃) stability to hydrolysis. This product is alkaline soils DT5040d ~ 70d
1 Scope
This standard specifies the Prometryne WP requirements, test methods and marking, labeling, packaging, storage and transportation.
This standard applies to the Prometryne original drug, suitable additives and fillers processed Prometryne WP.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 1600 Determination of Water Pesticides
Determination of GB/T 1601 Pesticides pH value
GB/T 1604 Goods pesticide regulations for acceptance
GB/T 1605-2001 Sampling Method commercial pesticides
GB 3796 pesticide packaging General
GB/T 5451 WP Pesticide wettability measurement method
GB/T 14825-2006 Method for determination of pesticide suspension
GB/T 16150 pesticide powder, wettable powder fineness measurement method
GB/T 19136 Determination of Pesticide Thermal storage stability
3 Requirements
3.1 Composition and appearance
This product should be compliant Prometryne original drug with suitable additives and fillers processing is made uniform loose powder, there should be no lumps.
3.2 Technical Specifications
Prometryne WP should meet the requirements of Table 1.
Table 1 Prometryne WP Quality Control Project Index
project
index
50% 40% 25%
Prometryne mass fraction /% 50.0 + 40.0 + 2.0-2.0 2.5-2.5 1.5-1.5 25.0 +
Moisture /% ≤ 3.0
pH range 6.0 to 10.0
Suspension rate /% ≥ 70
Wetting time/s ≤ 120
Fineness (through 45μm test sieve) /% ≥ 98
Thermal storage stability test a qualified
When a normal production, heat storage stability test was measured at least once every three months.
Test Method 4
4.1 Sampling
According to GB/T 1605-2001 "on solid preparation sampling" approach. Determining sample package using a random number table method; the final sample size
Not less than 300g.
4.2 Identification Test
Gas Chromatography --- The identification test can be carried out simultaneously with the determination of the mass fraction of Prometryne. Under the same chromatographic operating conditions, the test
A sample solution peak retention time with the standard solution flutter grass net retention time in peaks, the relative difference should be 1.5%
Fewer.
4.3 Determination of the mass fraction of Prometryne
4.3.1 Method summary
Sample was dissolved in chloroform to triadimefon as internal standard, the use of the inner wall of the bonded Carbowax 20M capillary column and flame
Ionization detector to sample Prometryne gas chromatographic separation and determination. You can also use packed column gas chromatography, chromatographic conditions Senate
See Appendix A.
4.3.2 Reagents and solutions
Chloroform;
Triadimefon. should not interfere with the analysis of impurities, ≥95%;
Prometryne Sample. Known Prometryne mass fraction ≥99.0%;
Internal standard solution. Weigh 8.6g triadimefon, placed 1000mL volumetric flask with chloroform to dissolve and dilute to volume, shake.
4.3.3 Instruments
Gas chromatograph. with a hydrogen flame ionization detector;
Chromatographic data processor or chromatography workstation;
Column. 30m × 0.32mm (. I.d) capillary column, wall-bonded polyethylene glycol 20M, film thickness 0.25μm;
Micro injector. 10μL.
4.3.4 GC operating conditions
Temperature (℃) Temperature. 195 gasification chamber. 230, detection chamber. 230;
Gas flow rate (mL/min). carrier gas (N2) 2.0, hydrogen gas 30, air 300;
Injection volume (μL). 1.0;
Retention time (min). Prometryne about 4.2, internal standard (triadimefon) about 5.6.
GC operating conditions described above, the Department of typical operating parameters. According to the characteristics of different instruments, given operating parameters adjusted as appropriate,
In order to obtain the best results. Typical Prometryne wettable powder with a gas chromatograph internal standard is shown in Figure 1.
1 --- Prometryne;
2 --- internal standard (triadimefon).
Figure 1 Prometryne WP and the internal standard gas chromatograph
4.3.5 measuring step
4.3.5.1 preparation of standard solution
Weigh Prometryne standard 0.1g (accurate to 0.0002g), placed in 15mL stoppered glass bottle with a pipette moved 10mL internal standard
Solution, shake.
4.3.5.2 preparation of the sample solution
It weighs about 0.1g sample containing Prometryne of (accurate to 0.0002g), placed in 15mL stoppered glass bottle, in use with 4.3.5.1
With a pipetted into internal standard solution 10mL, shake.
4.3.5.3 Determination
Under these operating conditions, the instrument until a stable baseline, the number of continuous injection doses of the standard solution, calculated for each needle Prometryne and the internal standard peak area
Repeatability ratio, when two needles Prometryne relative change compared with the internal standard peak area of less than 1.2%, according to the standard solution, sample to be adjacent
Solution, sample solution, the order of the standard solution was measured.
4.3.6 Calculation
The two needle sample solution and measured before and after the two doses of the standard sample solution Prometryne and the internal standard peak area ratio in the average respectively.
Prometryne sample mass fraction of 1 (%), according to equation (1).
1 =
(1)
Where.
--- Prometryne standard mass fraction, expressed as a percentage.
4.3.7 allowable difference
The difference between two parallel determination results, 25% should be no more than 0.5%, 50% and 40% should not exceed 1.0%, respectively, and the arithmetic mean
As a measurement result.
4.4 Determination of Moisture
According to GB/T 1600 in the "azeotropic distillation method".
According to GB/T 1601 carried out.
4.6 Determination of the suspension rate
Weigh 0.4g sample containing Prometryne of (accurate to 0.0002g), according to GB/T 14825-2006 4.1 performed. The cylinder bottom
25mL suspension and precipitate in a water bath to dryness, and then returned to room temperature measured by the mass fraction of 4.3 Prometryne calculate the suspension rate.
4.7 Determination of wetting time
According to GB/T 5451 carried out.
4.8 Determination of fineness
According to GB/T 16150 in the "wet sieve method".
4.9 Thermal storage stability test
According to GB/T 19136 in "powder formulations" to. After the heat storage Prometryne content should not be less than the reservoir Qianpu grass net mass fraction
97% suspension rate should meet the standard requirements.
4.10 Product inspection and acceptance
Product inspection and acceptance shall comply with GB/T 1604's. Treatment of extreme values using the rounding value comparison method.
5 marking, labeling, packaging, storage and transportation
WP 5.1 Prometryne signs, labeling and packaging should comply with the provisions of GB 3796.
WP 5.2 Prometryne aluminum foil bag or plastic bag, net weight of 100g, 200g, 250g, 500g; packaging can
Cartons, corrugated cardboard box or Plastic boxes each containing a net content not exceeding 20kg. Also available upon request or order agreement, the use of other forms of
Type of packaging, subject to the provisions of GB 3796.
5.3 Prometryne WP package should be stored in well-ventilated, dry coffers.
5.4 storage, prevent moisture and sunlight, no food, seed, feed mix, avoid contact with skin, eyes, mouth and nose to prevent inhalation.
5.5 Security. Prometryne low toxicity herbicides. The FDA should wear protective gloves. Nose and mouth to prevent inhalation, or skin contact with exposed parts of the body
The goods should be promptly washed with soap and water. In case of poisoning should promptly consult a doctor.
5.6 Warranty. under the specified storage conditions Prometryne guarantee wettable powder, from date of manufacture for 2 years.
Appendix A
(Informative)
Prometryne content packed column gas chromatographic method
A. 1 Method summary
Sample was dissolved in chloroform to triadimefon as internal standard, using polyethylene glycol 20M/GasChromQ packed column and flame
Ionization detector to sample Prometryne gas chromatographic separation and determination.
A. 2 Reagents and solutions
Chloroform;
Triadimefon. should not interfere with the analysis of impurities, ≥95%;
Prometryne Sample. Known Prometryne mass fraction ≥99.0%;
Internal standard solution. Weigh 10.0g of triadimefon, placed 1000mL volumetric flask with chloroform to dissolve and dilute to volume, shake.
A. 3 Instrument
Gas chromatograph. with a hydrogen flame ionization detector;
Chromatographic data processor or chromatography workstation;
Column. 3% polyethylene glycol 20M/GasChromQ (80 mesh to 100 mesh) stainless steel column (column or glass);
Micro injector. 10μL.
A. 4 GC operating conditions
Temperature (℃).200 Column temperature gasification chamber 230, the detector chamber 230;
Gas flow rate (mL/min). carrier gas (N2) 80, hydrogen gas 40, air 400;
Injection volume (μL). 1.0;
Retention time (min). Prometryne about 5.2, about 7.0 internal standard.
GC operating conditions described above, the Department of typical operating parameters. According to the characteristics of different instruments, given operating parameters adjusted as appropriate,
In order to obtain the best results. Typical Prometryne original drug and the internal standard packed column gas chromatography is shown in Figure A. 1.
1 --- Prometryne;
2 --- internal standard (triadimefon).
Figure A. 1 Prometryne WP and the internal standard packed column gas chromatogram
A. 5 measuring step
A. 5.1 preparation of standard solution
Weigh Prometryne standard 0.1g (accurate to 0.0002g), placed in 15mL stoppered glass bottle with a pipette accurately transferred to 10mL
Internal standard solution, and shake.
A. 5.2 Sample preparation solution
It weighs about 0.1g sample containing Prometryne of (accurate to 0.0002g), placed in 15mL stoppered glass vial, with A. 5.1 used
With a pipette accurately transferred to the internal standard solution 10mL, shake.
A. 5.3 Determination
Under these operating conditions, the instrument until a stable baseline, the number of continuous injection doses of the standard solution, calculated for each needle Prometryne and the internal standard peak area
Repeatability ratio, when two needles Prometryne relative change compared with the internal standard peak area of less than 1.2%, according to the standard solution, sample to be adjacent
Solution, sample solution, the order of the standard solution was measured.
A. 6 Calculation
The two needle sample solution and measured before and after the two doses of the standard sample solution Prometryne and the internal standard peak area ratios are averaged.
Flutter grass net sample mass fraction of 1 (%) according to equation (A.1) Calculated.
1 =
(A.1)
Where.
--- Prometryne standard mass fraction, expressed as a percentage.
A. 7 allowable difference
The difference between two parallel determination results, 25% should be no more than 0.5%, 50% and 40% should not exceed 1.0%, respectively, and the arithmetic mean
As a measurement result.
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