YS/T 931: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 931-2024 | English | RFQ |
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(Palladium nitrate)
| Valid |
YS/T 931-2024
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| YS/T 931-2013 | English | 239 |
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Palladium(Ⅱ)nitrate
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YS/T 931-2013
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Basic data | Standard ID | YS/T 931-2024 (YS/T931-2024) | | Description (Translated English) | (Palladium nitrate) | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H68 | | Classification of International Standard | 77.150.99 | | Date of Issue | 2024-10-24 | | Date of Implementation | 2025-05-01 | | Older Standard (superseded by this standard) | YS/T 931-2013 | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the classification and marking, technical requirements, test methods, inspection rules and markings, packaging, transportation, storage, accompanying documents and order form contents of palladium nitrate. This standard applies to palladium nitrate for palladium coatings loaded in fine chemicals and automobile exhaust catalytic converters. | YS/T 931-2013: Palladium(Ⅱ)nitrate---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.
Palladium (Ⅱ) nitrate
ICS 77.150.99
H68
People's Republic of China Nonferrous Metals Industry Standard
Palladium nitrate
Paladium (Ⅱ) nitrate
Issued on. 2013-10-17
2014-03-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This standard was drafted. Your research Platinum Limited.
The main drafters of this standard. Liu Jun, Chen Wen, Jinya Qiu, Shen good question, and then Pan Fu, Zhou Wei, Chao-energy, blue Yulong.
Palladium nitrate
1 Scope
This standard specifies the palladium nitrate requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificate with the contract (or
Orders) content.
This standard applies to palladium coating of palladium nitrate chemical and automotive catalytic converters.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
23276 palladium compound palladium content analysis method of determination of GB/T-dimethyl glyoxal oxime precipitated EDTA complexometric titration
HG/T 3921 Chemicals sampling and acceptance rules
Emission spectroscopy YS/T 362 pure palladium impurity element
3 Requirements
Palladium nitrate Formula 3.1
Pd (NO3) 2.
3.2 Chemical composition
Palladium nitrate solution of the chemical composition shall comply with the requirements of Table 1.
Table 1
Pd (mass fraction) /%
Impurity elements (mass fraction) /% ≤
Pb Cu Fe Zn Ni Al Sn Cr Au Ag
10 ~ 25 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001
3.3 appearance quality
Palladium nitrate solution should be brown liquid.
3.4 dissolution test
Weigh a certain amount of palladium nitrate, diluted with distilled water acidified with nitric acid to palladium content of 0.5% to 1.0%, the non-visually not visible
Solubles.
Test Method 4
4.1 Determination of the palladium content
Determination of metallic palladium in GB/T 23276 in the provisions.
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