GB/T 21198.6-2007
AbolishedDetermination of precious metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 6: Difference method
贵金属合金首饰中贵金属含量的测定 ICP 光谱法 第6部分:差减法
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 3 方法原理 → 4 试剂材料 Foreword → 1 Scope → 2 Normative References → 3 Principle of Method → 4 Reagents and Materials
Scope
This part of GB/T 21198 specifies a method for determining the precious metal content by measuring the impurity element content in gold, platinum, and palladium alloy jewellery. This part applies to the purity ranges of gold, platinum, and palladium jewellery as specified in GB 11887, where the gold content is 725‰ to 999‰, the platinum content is 800‰ to 999‰, and the palladium content is 800‰ to 999‰.
GB/T 21198 的本部分规定了通过测定金铂 钯合金首饰中杂质元袁含量来确定贵金属含量的方法。本部分适用于 GB 11887 所确定的金 铂 ,钯首饰纯度范围,其中金含量为 725%0~9999,铂含量为 800%~999%,钯含量为 &00%0~999%。
Normative References
Keywords
Application Summary AI generated
Jewelry testing laboratories and quality inspection agencies use this standard to determine the precious metal content in gold, platinum, and palladium alloy jewelry. By measuring impurity elements and applying the difference method, they can accurately assess whether the jewelry purity meets national requirements. This standard is crucial for protecting consumer rights and regulating the jewelry market.
珠宝检测实验室和质检机构使用该标准来测定金、铂、钯合金首饰中的贵金属含量。通过检测杂质元素含量并采用差减法计算，可以准确评估首饰的纯度是否符合国家标准。该标准对于保障消费者权益和规范珠宝市场具有重要意义。
AI Summary AI generated
GB/T 21198.6-2007 specifies a method for determining the precious metal content in gold, platinum, and palladium alloy jewellery using ICP spectrometry by the difference method. It applies to the purity ranges defined in GB 11887. The sample is dissolved in aqua regia, and impurity elements are measured in a hydrochloric acid medium to calculate the precious metal content. The standard references GB 11887 and other documents, and lists required reagents. It provides a reliable technical basis for jewelry testing.
GB/T 21198.6-2007 规定了使用ICP光谱法通过差减法测定金、铂、钯合金首饰中贵金属含量的方法。该方法适用于GB 11887规定的纯度范围，通过王水溶解试样，在盐酸介质中测定杂质元素含量，从而计算贵金属含量。标准引用了GB 11887等文件，并详细列出了所需试剂材料。该标准为珠宝检测提供了准确可靠的技术依据。
Key Sentences extracted from text
GB/T 21198 的本部分规定了通过测定金铂 钯合金首饰中杂质元袁含量来确定贵金属含量的方法。
本部分适用于 GB 11887 所确定的金 铂 ,钯首饰纯度范围,其中金含量为 725%0~9999,铂含量为 800%~999%,钯含量为 &00%0~999%。
试样以王水溶解 ,在盐酸介质中 ,用 ICP 光谱仪测得杂质元紊的含量。
通过差碱法 ,求得贵金属含量。
除非另有说明 ,在分析中仅使用确认为分析纯的试剂及蒸馏水或去离子水或相当纯度的水。
This part of GB/T 21198 specifies a method for determining the precious metal content by measuring the impurity element content in gold, platinum, and palladium alloy jewellery.
This part applies to the purity ranges of gold, platinum, and palladium jewellery as specified in GB 11887, where the gold content is 725‰ to 999‰, the platinum content is 800‰ to 999‰, and the palladium content is 800‰ to 999‰.
The sample is dissolved with aqua regia, and in a hydrochloric acid medium, the content of impurity elements is measured using an ICP spectrometer.
The precious metal content is obtained by the difference method.
Unless otherwise specified, only reagents confirmed to be analytically pure and distilled water or deionized water or water of equivalent purity shall be used in the analysis.