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YS/T 43-2011: High-purity arsenic
Status: Valid YS/T 43: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 43-2011 | English | 189 |
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3 days [Need to translate]
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High-purity arsenic
| Valid |
YS/T 43-2011
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| YS/T 43-1992 | English | 199 |
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(High-purity arsenic)
| Obsolete |
YS/T 43-1992
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PDF similar to YS/T 43-2011
Standard similar to YS/T 43-2011 GB/T 12963 YS/T 1154 YS/T 1109 YS/T 68 Basic data | Standard ID | YS/T 43-2011 (YS/T43-2011) | | Description (Translated English) | High-purity arsenic | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H81 | | Classification of International Standard | 29.045 | | Word Count Estimation | 7,748 | | Date of Issue | 2011-12-20 | | Date of Implementation | 2012-07-01 | | Older Standard (superseded by this standard) | YS/T 43-1992 | | Quoted Standard | GB 16483; JT 617; YS/T 34.1-2011; YS/T 34.2-2011; YS/T 34.3-2011 | | Regulation (derived from) | ?MIIT Announcement 2011 No.43 | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the classification and labeling of high-purity arsenic, requirements, test methods, inspection rules, product identification, packaging, transport, storage and so on. This standard applies to industrial arsenic as raw material, sublimation, chloride, distillation, purity hydrogen reduction and other processing after purification made not less than 99. 999%, 99. 9999%, 99. 99999% purity arsenic. Products are mainly used in the manufacture of gallium arsenide and other ��-�� compound semiconductors, epitaxial source and semiconductor doping agents. | YS/T 43-2011: High-purity arsenic---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.
High-purity arsenic
ICS 29.045
H81
People's Republic of China Nonferrous Metals Industry Standard
Replacing YS/T 43-92
High purity arsenic
Published on.2011-12-20
2012-07-01 Implementation
Published by the Ministry of Industry and Information Technology of the People's Republic of China
High purity arsenic
1 Scope
This standard specifies the classification and marking, requirements, test methods, inspection rules, product identification, packaging, transportation and storage of high-purity arsenic.
This standard applies to industrial arsenic as raw material, the purity of which is not less than or equal to
99.999%, 99.9999%, 99.99999% high-purity arsenic. The products are mainly used in the manufacture of III-V compound semiconductors such as gallium arsenide, external
source and semiconductor dopants.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB 16483 Regulations for the preparation of chemical safety data sheets
JT617 Rules for Car Transport of Dangerous Goods
YS/T 34.1-2011 High-purity arsenic chemical analysis method Inductively coupled plasma mass spectrometry (ICP-MS) for the determination of impurities in high-purity arsenic
content
YS/T 34.2-2011 High-purity arsenic chemical analysis method polarographic determination of selenium content
YS/T 34.3-2011 High-purity arsenic chemical analysis method polarographic determination of sulfur content
3 Requirements
3.1 Classification and labelling
The products are divided into three grades according to the arsenic content of 99.999%, 99.9999% and 99.99999%, marked as As-05, As-06,
As-07.
3.2 Chemical composition
The chemical composition of each grade shall comply with the provisions of Table 1.
3.3 Dimensions
The particle size of the product is between 2mm and 20mm, and the amount of arsenic less than 2mm should not be greater than 5% of the total; the amount of arsenic greater than 20mm
Should not be greater than 5% of the total.
3.4 Net weight and tolerance
The product is packaged in three specifications of net weight. 1000g/bottle, 1500g/bottle, and 3000g/bottle, and the allowable difference in net weight of each bottle is ±1g.
3.5 Appearance
Irregular block, the crystal is gray metallic luster, the surface has no visible black, white covering or other mechanical inclusions.
3.6 Others
The content of sulfur and selenium of As-06 and As-07 grades is guaranteed by the process and does not affect the use.
If the buyer has special requirements, it will be agreed by both parties.
4 Test methods
4.1 Chemical composition
Determination of 14 impurities such as magnesium, chromium, nickel, copper, zinc, antimony, lead, bismuth, sodium, potassium, aluminum, silver, calcium, iron, etc. in high-purity arsenic according to YS/T 34.1-
2011 regulations.
The determination of selenium impurity content in high-purity arsenic is carried out according to the provisions of YS/T 34.2-2011.
The determination of sulfur impurity content in high-purity arsenic is carried out according to the provisions of YS/T 34.3-2011.
4.2 Dimensions
Sieve with 2mm and 20mm round hole sieves.
4.3 Net weight
Use a balance with an accuracy of 0.5g.
4.4 Appearance
Visual inspection.
5 Inspection Rules
5.1 Inspection and acceptance
5.1.1 The product shall be inspected by the supplier's technical supervision department to ensure that the product quality conforms to the provisions of this standard, and a quality certificate shall be filled out.
5.1.2 The purchaser shall re-inspect the received products according to the provisions of this standard. If the re-inspection results do not conform to the requirements of this standard, the
The product shall be submitted to the supplier within one month from the date of the product, and shall be resolved through negotiation between the supplier and the buyer. Arbitration analysis is carried out according to the method agreed by both parties.
5.2 Inspection items
5.2.1 Each batch of products shall be inspected for chemical composition and appearance quality.
5.2.2 The inspection items include 4.1~4.4.4.1 is batch-by-batch inspection, and 4.2, 4.3 and 4.4 are bottle-by-bottle inspection.
5.3 Batch
Products should be submitted in batches for acceptance. Each batch should consist of products of the same production method, the same brand and the same specification. usually in each
One batch of products produced by hydrogen reduction of arsenic trichloride in the still.
5.4 Sampling
100g samples were randomly collected from each batch of products, and 20g samples were obtained by crushing, grinding and shrinking. One sample for each test
sample, two test samples. Sampling operations should be performed in a Class 1000 (Class 6) clean room.
5.5 Judgment of inspection results
5.5.1 If the chemical composition test results of the samples submitted for inspection are consistent with the provisions of this standard, the batch of products is judged to be qualified.
5.5.2 If the chemical composition of the sample fails to pass the inspection, the auxiliary sample for inspection shall be inspected according to the method specified in 4.1.If both duplicate samples are tested
Qualified, it is judged that the batch of products is qualified. Otherwise, the batch of products is judged to be unqualified.
5.5.3 If the appearance, size and net weight are unqualified during the inspection, the product of the bottle is judged to be unqualified.
6 Marking, packaging, transportation and storage
6.1 Product Labels
Product labels should include the following.
a) Product name, grade, net weight;
b) Product batch number and bottle number;
c) date of manufacture;
d) product implementation standard code;
e) Supplier's name, trademark, address, telephone number and website;
f) Hazardous product illustrations, signs and signal words.
6.2 Packaging
The product is sealed in a special glass bottle filled with argon in a class 1000 (class 6) clean room. The product label is attached to the outside of the packaging bottle, and the plastic bag is vacuum-sealed.
Seal, put it into the row holes of the shock-absorbing foam board in turn, cover it, put it in a special packing box, and put it in the packing list and safety technical manual to seal it. or root
Packed in other ways as required by the user.
The shipping box contains the following.
a) Product name, grade, volume, weight;
b) Supplier's name, address, postal code, telephone number;
c) The name and address of the buyer;
d) Graphical signs such as fragile and rain-proof;
e) Icons, labels and signal words of toxic and hazardous products;
f) Toxic and hazardous product safety labels.
6.3 Transport
The product should be moisture-proof during transportation and avoid violent collision. It is forbidden to unpack the bottle in a non-clean room and without protective measures.
6.4 Storage
The product should be stored in a clean, dry, acid-free atmosphere. Install anti-theft alarms in the storage warehouse, and stick safety labels at obvious places in the warehouse
"Skull and Crossbones", and write the warning word "toxic".
6.5 Quality certificate
Each batch of products should be accompanied by a quality certificate stating.
a) the name of the supplier;
b) product name and grade;
c) lot number;
d) net weight and number of pieces;
e) Analysis of the inspection results and the imprint of the technical supervision department;
f) Product implementation standard code;
g) Date of manufacture.
6.6 Safety Data Sheet
The safety technical specification shall meet the requirements of GB 16483 and shall contain at least the following contents.
a) Product name and grade;
b) hazard overview;
c) Emergency treatment for ingestion, inhalation and touch;
d) Leakage emergency treatment;
e) Supplier's name, address, postal code, telephone number.
6.7 Others
Product packaging, transportation and storage should comply with the relevant regulations of JT617.
7 Contents of order form (or contract)
Both the supplier and the buyer shall specify the following contents in the purchase order (or contract).
a) Product name, grade, weight, packaging specifications, etc.;
b) the number of this standard;
c) The name, address, zip code, telephone number, etc. of the supplier and buyer;
d) other requirements.
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