GB/T 1420-2015 in English
VALIDSponge palladium
- Issued on:2015-09-11
- Implemented on:2016-04-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$214.00
《GB/T 1420-2015海绵钯》由TC243（全国有色金属标准化技术委员会）归口，TC243SC5（全国有色金属标准化技术委员会贵金属分会）执行，主管部门为中国有色金属工业协会。
本标准规定了海绵钯的要求、试验方法、检验规则、标志、包装、运输、贮存、质量证明书及订货单(或合同)内容。
本标准适用于海绵钯产品。
Introduction
In-depth interpretation of GB/T1420-2015 sponge palladium standard
| Item | Old standard GB/T1420-2004 | New standard GB/T1420-2015 |
|---|---|---|
| Sponge palladium brand | S M-Pd99.9 | S M-Pd99.99, S M-Pd99.95, S M-Pd99.9 |
| Impurity content requirements | ≤0.01% (some elements) | ≤0.03% (key impurities such as Pb) |
| New requirements | - | Add the ignition loss index and supplement various impurity element detection methods. |
Standard formulation background and technological evolution
Background: As an important industrial raw material, the quality of sponge palladium is directly related to the performance of downstream application fields. With the development of science and technology, the purity requirements for sponge palladium are constantly increasing, and the original standard can no longer meet market demand.
Technological evolution: The new standard introduces more advanced detection methods, such as inductively coupled plasma optical emission spectrometry (ICP-OES), which significantly improves the detection accuracy of impurity elements. At the same time, the newly added hydrogen reduction gravimetric method is used to determine the ignition loss, filling the gap in the original standard.
Explanation of professional terms and practical application cases
Inductively coupled plasma optical emission spectrometry (ICP-OES): A highly sensitive elemental analysis technology, widely used in the detection of trace impurities in metal materials. For example, in SM-Pd99.99, this method can accurately determine the impurity content of precious metals such as platinum and rhodium.
Hydrogen reduction gravimetric method: By passing hydrogen at high temperature to remove oxides and impurities in the sample, the change in sample mass is measured to determine the ignition loss. This method is suitable for the quality control of sponge palladium products.
Implementation suggestions
- Upgrade of testing equipment: Equipped with advanced ICP-OES and hydrogen reduction devices to ensure compliance with the requirements of the new standard.
- Staff training: Provide special training for laboratory technicians on new method operation and data analysis.
- Process control optimization: Strictly implement the ignition loss index during the production process to improve product quality consistency.
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