GB 913: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 913-2012 | English | 269 |
Add to Cart
|
3 days [Need to translate]
|
[GB 913-2012] Mercury
| Valid |
GB/T 913-2012
|
| GB 913-1985 | English | 239 |
Add to Cart
|
2 days [Need to translate]
|
Mercury
| Obsolete |
GB 913-1985
|
PDF similar to GB 913-2012
Basic data | Standard ID | GB 913-2012 (GB913-2012) | | Description (Translated English) | [GB/T 913-2012] Mercury | | Sector / Industry | National Standard | | Classification of Chinese Standard | H62 | | Classification of International Standard | 77.150.99 | | Word Count Estimation | 13,189 | | Older Standard (superseded by this standard) | GB 913-1985 | | Quoted Standard | GB 190; GB 13690; GB 15603; GB/T 8170; GB/T 16483; JJF 1070 | | Regulation (derived from) | National Standards Bulletin 2012 No. 9 | | 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 mercury's requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificates, and contracts (or orders) and so on. This Standard applies to the mercury produced by pyrome | GB 913-2012: ---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.
Mercury
ICS 77.150.99
H62
National Standards of People's Republic of China
Replacing GB 913-1985
Published 2012-05-11
2013-04-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China issued
Foreword
This standard in Chapter 3 and Chapter 6 are mandatory, others are recommended.
This standard was drafted in accordance with rules GB/T 1.1-2009 given.
This standard replaces GB 913-1985 "Mercury", compared with the present standard GB 913-1985, major changes are as follows.
This increase in industrial standard --- a coarse grade mercury;
--- This standard increased the requirements of Test Method for Sensory;
--- This standard increased the inspection and acceptance testing rules;
--- This standard set of clear principles in batch and sampling inspection rules;
--- This standard adds determine the rules;
--- This standard increases the shelf life;
--- This standard increased security requirements;
--- This standard increased the transport section;
--- This standard is part of the contents of the package were increased or decreased;
This standard changes --- iron and other heavy metals (as Pb) measuring method;
--- analytical methods in Part equipment also made some changes.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243);
This standard was drafted. Quality and Technical Supervision and Inspection Tongren Prefecture, Guizhou Province Federation of mercury trade associations, Guizhou Dragon Silver Star
Mercury industry limited liability company, Wanshan Special red crystal mercury industry limited liability company, Guizhou Province Wanshan Special mining companies.
The main drafters. handsome Leo, Zhang Yaxiong, Zhao Ying Qian, Wu Bin, Wu Zeyun, Chen Weizhong, Zhang Chen phase.
This standard previously issued as follows.
--- GB 913-1985;
--- GB 913-1966.
Mercury range 1
This standard specifies the requirements for mercury, test methods, inspection rules and signs, packaging, transportation, storage and quality certification and contract (or order
Single) and so on.
This standard applies to pyrometallurgical, hydrometallurgical production of mercury, the product used for electrical instrumentation, reagents, pharmaceutical, chemical, metallurgy and other industries.
2 Normative references
The following documents for the application of this document is essential. For dated references, only applies to the version dated paper
Pieces. For undated references, the latest edition (including any amendments) applies to this document.
GB 190 dangerous goods packaging logo
Classification and signs GB 13690 commonly used hazardous chemicals
GB 15603 General chemical dangers reservoir
GB/T 8170 digital repair means about rules and determining limiting values
GB/T 16483 MSDS content and order
JJF1070 net content of prepackaged goods Metrology and Inspection Rules
3.1 grade mercury, grade and chemical composition
The chemical composition of mercury into four grades, see Table 1.
Table 1 grade mercury, grade and chemical composition
Grade Grade
Chemical composition (mass fraction) /%
Mercury, not less than
Impurity, not more than
Total iron residue on ignition lead
High-purity mercury Hg-06 99.9999 0.0001 0.00004 0.00004
Zero Mercury Hg-055 99.9995 0.0005 0.0001 0.0002
One of mercury Hg-05 99.999 0.001 0.0002 0.0004
The crude industrial mercury Hg-03 99.9 0.1 - -
3.2 appearance requirements
In addition to Hg-03, mercury all grades should have a silver-white luster, no mechanical inclusions (ash, etc.); Zero mercury should obviously mirror
Surface; high purity mercury surface should not have any film. Specific requirements are as follows.
3.2.1 high purity mercury, mercury Zero, One mercury, 5g ~ 10g sample taken was placed in a 200mL beaker, was added 10mL of nitric acid (11), heating
After dissolution, the solution should be clear without insolubles.
3.2.2 high purity mercury, mercury Zero, One mercury sample from a clean glass drying vessel should be free to pour out, not sticking any mercury wall quality.
3.2.3 high purity mercury, the mercury Zero, One mercury specimen slide over the smooth white porcelain or not leave traces.
3.2.4 High Purity checks mercury sample was placed on a white porcelain plate, there should be no visible stain.
Exterior 3.2.5 industrial gray silver was mercury crude sample from a clean, dry glass vessel consisting decanted, allowing a small amount in the eye wall
Visible impurities.
Test Method 4
4.1 Determination of mercury content, the total amount of residue on ignition
According to the standards specified in Appendix A is performed.
4.2 Determination of iron content and lead content
Method Determination of iron and lead, respectively, according to the standards specified in Appendix B and Appendix C is performed.
4.3 Visual Inspection
Visual inspection by visual method.
5 Inspection Rules
5.1 inspection and acceptance
5.1.1 products factory inspection report by the supplier, to ensure product quality in line with the requirements of this standard, and fill quality certificate.
5.1.2 need to receive the product is tested according to the provisions of this standard, such as test results inconsistent with the provisions of this standard shall receive
Date products made to the supplier within 30 days, the supply and demand sides through consultation. For arbitration, arbitration samples by both supply and demand together in the same batch
Time required to extract the product, bearing inspection agency designated by mutual agreement.
5.2 Batching
Each batch of products from the same grade of mercury components. High-purity mercury, mercury Zero, One mercury and mercury rough industrial batch weight respectively shall not exceed 1t,
4t, 7t and 10t.
5.3 Test items
Each batch of products should be mercury content, the total amount of residue on ignition, measured iron content, and visual inspection of the lead content.
5.4 Sampling
5.4.1 sample size
Number of samples of each batch of product items (bottles, cans) not less than 10% by mass of the sample is defined as. mercury high purity of not less than not less than 4kg Zero Mercury
1kg, One mercury less than 0.6kg, the industrial crude mercury less than 0.4kg.
5.4.2 Sampling methods
Glass tube having an inside diameter equal amounts of φ4mm ~ φ6mm extraction of samples is loaded with a clean ceramic bottle stopper or opaque glass
Bottle. Was mixed evenly divided into two equal parts, one of which used for testing and the other for future reference, the reference sample should be sealed and filled with nitrogen
Or argon protection, sample was stored for one year.
5.5 determination of test results
5.5.1 rounding off and test results determined according to the provisions of GB/T 8170's.
5.5.2 All test results when the project meets the requirements of this standard, this batch of products for qualified products.
5.5.3 All test results when he was in one project failure occurs, then this batch of product is substandard products.
6 signs, packaging, transportation, storage and quality certificate
6.1 mark
Mark shall conform to the GB 190.
6.2 Packaging
6.2.1 volume high purity mercury contained in a glass bottle or ceramic or polypropylene polyethylene bottles of 100 mL or opaque bottle (bottle weighing 1kg) of
Bottle, filled with nitrogen or argon, the bottle with a butyl rubber stopper or a T-introversion the butyl rubber stopper or a plastic film sleeve introversion Natural Rubber
Plug, external seal cover composite or thermoplastic plastic shrink sleeve seal. Or molding the foam pad wastepaper, packed in strong wooden boxes, with a wooden
Plus steel nails. Packing of 1kg × 20 bottles/box (singlet of 1 ± 0.002kg).
6.2.2 Zero One mercury and mercury contained in the enamel lined steel tanks or polyethylene tank, and packed in strong wooden box, with a strip plus wooden nails.
Net weight 34.5 ± 0.030kg.
6.2.3 The crude industrial mercury contained in steel can, a single weight is 38.0 ± 0.030kg.
6.3 Transport
All grades of mercury transport should strictly abide by the relevant laws on the transport of dangerous chemicals National regulations, non-food, feed, daily
Products and substances involved in crimes against humanity and animals mixed mixed operation.
6.4 Storage
All grades of mercury should be stored at room temperature not higher than 40 ℃, the predetermined press GB 15603 is performed; in compliance with this standard gauge
Storage under the given conditions, the shelf life of 1 year. Mercury high purity using only opens when the cap, in order to avoid the escape of nitrogen or argon, resulting in surface oxidation.
6.5 Quality Certificate
Each batch of products should be accompanied by a certificate of product quality, which stated.
a) the production company name, address, telephone, fax;
b) the product name and grade;
c) batch number, weight and number of pieces;
d) Product inspection report;
e) standard number;
f) the date of manufacture.
7 contract (or purchase order)
Contract (or orders) of mercury present criteria listed shall include the following.
a) the product name;
b) grade;
c) impurity content of the special requirements;
d) Number;
e) standard number;
f) packaging;
g) Other.
8 Security
8.1 supplier shall provide mercury Material Safety Data Sheet (MSDS) to the demand side.
8.2 Material Safety Data Sheet shall be consistent with the provisions of GB 16483.
Appendix A
(Normative)
Methods for chemical analysis of mercury burning residue on ignition determination method
A.1 Scope
The present method provides a method for measuring the mercury content of the burning residue.
The present method for determining the mercury content residue burning apply.
A.2 Determination of the purity of mercury
Determination of residue on ignition A.2.1
A.2.1.1 Principle
After ignition of mercury by evaporation, the residue was left which was measured in Shi Ying cell by weighing method.
A.2.1.2 device
As shown in FIG A.1.
Description.
1 --- nitrogen or argon gas cylinder;
2 --- rotameter;
3 --- stopper rubber stopper or a ground;
4 --- quartz or glass ceramic or refractory tube;
5 --- high temperature glass or Shi Ying dish dish;
6 --- tube furnace;
7 --- automatic temperature controller;
8 --- water condenser or liquid nitrogen cold trap;
. 9 --- mercury collection vial;
10 --- Sheng purification bottle of iodine;
---. 11 to iodine vapor, saturated with activated carbon purification tower;
12 --- vacuum pump;
--- gauge 13 is complex.
Figure A.1 apparatus of FIG.
A.2.1.3 analysis step
Weigh 1000g sample of high purity mercury (Hg Zero 200g, mercury One 100g, crude industrial mercury 100g), accurate to 0.01g, has been placed in a constant
Shi Ying cell weight (or high temperature glass dish) within. Mercury at 200 ℃ ± 5 ℃ nitrogen (or argon) stream (1L/min) was slowly evaporated (to be
A recovery purification apparatus) to the residue of about 2g or less, and residue on ignition not less than 400 ℃ ± 5 ℃ under (nitrogen or argon) Condition
30min, finally Weigh residue.
A.2.1.4 Calculation and analysis of expression, see formula (A.1).
w1 (%) = m1m0 ×
100 (A.1)
Where.
W1 --- residue on ignition quality score units (%);
Residue on ignition M1 --- mass in grams (G);
--- M0 sample mass in grams (g).
The test results are not described rounding off accordance with GB/T 8170 requirements.
Purity Determination of mercury A.2.2
According to formula (A.2) The residue subtraction calculation purity mercury.
w2 (%) = 100-w1 (A.2)
Where.
W1 --- residue on ignition quality score units (%);
--- w2 of mercury purity (mass fraction), the unit of (%).
The test results are not described rounding off accordance with GB/T 8170 requirements.
Appendix B
(Normative)
Methods for chemical analysis of mercury atomic absorption spectrometry iron content
B.1 Scope
The present method provides a method for determination of the iron content of mercury.
This method is suitable for determination of the iron content of mercury.
B.2 Principle
Mixed acid was added and dissolved in the residue on ignition of Appendix A, in a nitric acid medium, using air - acetylene flame atomic absorption spectroscopy
Measuring absorbance at a wavelength of 248.3nm instrument iron.
B.3 Reagents
B.3.1 hydrochloric acid (ρ1.19g/mL), pure class distinctions.
B.3.2 nitrate (ρ1.42g/mL), pure class distinctions.
B.3.3 mixed acid (nitric acid, hydrochloric acid = 13), pure class distinctions.
B.3.4 nitrate (11), pure class distinctions.
B.3.5 iron standard stock solution. Accurately weigh 0.1000g metallic iron (≥99.99%) in 250mL beaker, 20mL of nitric acid was added
(11), covered with a watch glass removed after dissolved by heating at a low temperature hot plate, cooled into 1000mL volumetric flask, dilute to the mark with water,
Mix well. 1mL of this solution containing 100μg iron.
B.4 Instruments
Atomic absorption spectrometer, with iron hollow cathode lamp.
In the best working state apparatus, who were able to achieve the following indicators, can be used.
--- wherein concentration. substantially consistent with the measurement solution in the solution, wherein the concentration of iron is not more than 0.165μg/mL.
--- precision. the highest concentration of the standard solution absorbance measured 10 times, the standard deviation should not exceed 1.0% of the average absorbance;
The lowest concentration of standard solution (not a "zero" concentration of the standard solution) absorbance measured 10 times, the standard deviation should not exceed the maximum
Concentration of 0.5% of the average absorbance of standard solution.
--- a linear working curve. The calibration curve is divided into five sections by the concentration, the absorbance of the difference absorbance difference of the highest and lowest section segments
Ratio of not less than 0.8.
B.5 Preparation of sample solution
Appendix A was added to the residue 5mL burning mixed acid (B.3.3), into the cold evaporated to near dryness on a hot plate, together with nitric acid (11)
10mL dissolved, with gentle shaking during evaporation boat, to be completely dissolved, cooling is removed and transferred to a 50mL volumetric flask, dilute with water
To volume, and mix.
B.6 Preparation of blank solution
Along with sample blank test.
B.7 measuring step
Using an air-acetylene flame, atomic absorption spectrometer at a wavelength of 248.3nm, zero water, simultaneously with the series of standard solution, measuring iron
Absorbance, accompanied by subtracting the absorbance of blank solution. Iron concentration corresponding isolated from the working curve.
The curve plotted B.7.1
B.7.1.1 pipetting 0mL, 1.00mL, 2.00mL, 3.00mL, 4.00mL, 5.00mL standard iron solution, were placed in 100mL
Flask, was added 8mL of nitric acid (11), was diluted with water to volume, and mix. The concentration of the standard solutions were 0μg/mL,
1.00μg/mL, 2.00μg/mL, 3.00μg/mL, 4.00μg/mL, 5.00μg/mL.
B.7.1.2 measured under the same conditions as the test solution, water zero, measuring the absorbance of the standard solution series, minus the standard solution series
The absorbance of the solution concentration of the "zero", the concentration of iron in the abscissa, the absorbance as ordinate, drawing working curve.
Calculation results B.7.2
Iron calculated according to equation (B.1) mass fraction wFe.
wFe =
ρ1 · V1 × 10
-6
m0 ×
100 (B.1)
Where.
--- M0 sample mass in grams (G);
Vl --- test solution a total volume in milliliters (mL);
from Richard rho] 1 --- working curve iron concentration, in micrograms per milliliter (μg/mL).
The test results are not described rounding off accordance with GB/T 8170 requirements.
Appendix C
(Normative)
Atomic analysis method of Pb Hg chemical absorption spectrometry
C.1 Scope
The present method provides a method for measuring the lead content in the Mercury.
The present method for measuring the lead content in the Mercury applicable.
C.2 Principle
Mixed acid was added and dissolved in the residue on ignition of Appendix A, in a nitric acid medium, using air - acetylene flame atomic absorption spectroscopy
Absorbance is measured at a wavelength of 283.3nm instrument lead.
C.3 Reagents
C.3.1 hydrochloric acid (ρ1.19g/mL), pure class distinctions.
C.3.2 nitrate (ρ1.42g/mL), pure class distinctions.
C.3.3 mixed acid (nitric acid, hydrochloric acid = 13), pure class distinctions.
C.3.4 nitrate (11), pure class distinctions.
C.3.5 lead standard solution. Weigh 0.1000g metallic lead (≥99.99%) in 250mL beaker, 20mL of nitric acid (11),
Cover with a watch glass, after dissolved by heating on a hot plate at a low temperature, the cooling is removed and transferred to 1000mL volumetric flask, dilute to the mark with water and mix.
1mL of this solution containing 100μg lead.
C.4 instrument
Atomic absorption spectrometer, lead attachment element hollow cathode lamp.
In the best working state apparatus, who were able to achieve the following indicators, it can be used.
--- wherein concentration. substantially consistent with the measurement solution in the solution, wherein the concentration of lead no greater than 0.217μg/mL.
--- precision. the highest concentration of the standard solution absorbance measured 10 times, the standard deviation should not exceed 1.0% of the average absorbance;
The lowest concentration of standard solution (not a "zero" concentration of the standard solution) absorbance measured 10 times, the standard deviation should not exceed the maximum
Concentration of 0.5% of the average absorbance of standard solution.
--- a linear working curve. The calibration curve is divided into five sections by the concentration, the absorbance of the difference absorbance difference of the highest and lowest section segments
Ratio of not less than 0.8.
Preparation of sample solution C.5
Appendix A was added to the residue 5mL ignition mixed acid in a cool, evaporated to near dryness on a hot plate, then was added 10mL of nitric acid (11)
Was dissolved, with gentle shaking during evaporation boat, to be removed completely dissolved cooled and transferred to 50mL volumetric flask, dilute to volume with water,
Mix well.
C.6 Preparation of blank solution
Along with sample blank test.
C.7 measuring step
Using an air-acetylene flame, atomic absorption spectrometer at a wavelength of 283.3nm, zero water, simultaneously with the series of standard solution, the measuring lead
Absorbance, accompanied by subtracting the absorbance of blank solution. Isolated respective lead concentrations from the calibration curve.
The curve plotted C.7.1
C.7.1.1 pipetting 0mL, 1.00mL, 2.00mL, 3.00mL, 4.00mL, 5.00mL lead standard solution were placed in 100mL
Flask, was added 8mL of nitric acid (11), was diluted with water to volume, and mix. The concentration of the standard solutions were 0μg/mL,
1.00μg/mL, 2.00μg/mL, 3.00μg/mL, 4.00μg/mL, 5.00μg/mL.
C.7.1.2 measured under the same conditions as the test solution, standard solutions zero water, measuring the absorbance of the standard solution series, subtracting
The absorbance of the solution concentration of the "zero", respectively, the lead concentration as abscissa and the absorbance as ordinate, drawing working curve.
C.8 Calculation of Analytical Results
Lead calculated according to the formula (C.1) mass fraction wPb.
wPb =
ρ1 · V1 × 10
-6
m0 ×
100 (C.1)
Where.
--- M0 sample mass in grams (G);
Vl --- test solution a total volume in milliliters (mL);
rho] 1 --- Richard lead from the working curve of the concentration, in micrograms per milliliter (μg/mL).
The test results are not described rounding off accordance with GB/T 8170 requirements.
|