发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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GB/T 21198 的本部分规定了通过测定 999‰的贵金属合金首饰中的杂质元素含量来确定铂合金首饰中的铅含量,钯合金首饰中的钯含量,金合金首饰中的金含量的方法。 本部分适用于含量为 999‰的贵金属合金首饰
Determination of precious metals in precious metals jewellery alloys.Method using ICP spectrometry.Part 4: 999‰ precious metals jewellery alloys.Determination of precious metals.Difference method
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素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‰~999‰,铂含量为800‰~999‰,钯含量为800‰~999‰。 注:首饰中可能含有铂、金、钯、银、铜、镍、钴
Determination of precious metals in precious metals jewellery alloys-Method using ICP spectrometry-Part 6:Difference method
High content precious metals jewellery alloys—Determination of gold,platinum and palladium—Difference method using inductively coupled plasma optical emission spectroscopy
GB/T 21198 的本部分规定了通过测定 999‰ 银合金首饰中的杂质元素含量来确定银含量的方法。 本部分适用于银含量为 999‰的银合金首饰
Determination of precious metals in precious metals jewellery alloys.Method using ICP spectrometry.Part 5: 999‰silver jewellery alloys.Determination of silver.Difference method
GB/T 21198 的本部分规定了以钇为内标采用 ICP 光谱法测定铂合金首饰中铂含量的方法。 本部分适用于铂含量为 850‰~970‰的铂合金首饰
Determination of precious metals in precious metals jewellery alloys- Method using ICP spectrometry- Part 1: Platinum jewellery alloys- Determination of platinum-Method using a solution with yttrium as internal standard element
GB/T 21198 的本部分规定了以钇为内标采用 ICP 光谱法测定钮合金首饰中钯含量的方法。 本部分适用于钯含量为 475‰~970‰的钮合金首饰
Determination of precious metals in precious metals jewellery alloys.Method using ICP spectrometry.Part 3: Palladium jewellery alloys.Determination of palladium.Method using a solution with yttrium as internal standard element
This European standard specifies the precious metal content in solders suitable for use in the production of jewellery made of precious metal alloys
Precious metals - The finenesses of solders used with precious metal jewellery alloys
Precious metals - The finenesses of solders used with precious metal jewellery alloys
Precious metals - The finenesses of solders used with precious metal jewellery alloys.
GB/T 21198的本部分规定了应用ICP光谱仪采用所有微量元素与铂强度比值法测定铂合金首饰中杂质元素的总量来确定铂含量的方法。 本部分适用于GB 11887所规定铂首饰的纯度范围
Determination of precious metals in precious metals j ewellery alloys.Method using ICP spectrometry.Part 2:Platinum jewellery alloys--Determination of platinum.Method using the intensity ratios of all minor constituents with reference to platinum
이 표준은 귀금속 시장에서 사용하는 귀금속 합금(땜납 제외)의 순도 범위를 적용한다
Jewellery-Fineness of precious metal alloys
Specifies a range of fineness of gold alloys (375, 585, 750, 916), platinum alloys (850, 900, 950), palladium alloys (500, 950), and silver alloys
Jewellery; fineness of precious metal alloys
This International Standard specifies a range of fineness of precious metal alloys (excluding solders) recommended for use in the field of jewellery
Jewellery - Fineness of precious metal alloys
This document specifies a range of fineness of precious metal alloys (excluding solders) recommended for use in the field of jewellery. NOTE
Jewellery and precious metals - Fineness of precious metal alloys
This International Standard specifies a range of fineness of precious metal alloys (excluding solders) recommended for use in the field of jewellery
Jewellery - Fineness of precious metal alloys
GB/T 21198 的本部分规定了通过测定 999‰的贵金属合金首饰中的杂质元素含量来确定铂合金首饰中的铅含量,钯合金首饰中的钯含量,金合金首饰中的金含量的方法。 本部分适用于含量为 999‰的贵金属合金首饰
Determination of precious metals in precious metals jewellery alloys.Method using ICP spectrometry.Part 4: 999‰ precious metals jewellery alloys.Determination of precious metals.Difference method
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素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‰~999‰,铂含量为800‰~999‰,钯含量为800‰~999‰。 注:首饰中可能含有铂、金、钯、银、铜、镍、钴
Determination of precious metals in precious metals jewellery alloys-Method using ICP spectrometry-Part 6:Difference method
High content precious metals jewellery alloys—Determination of gold,platinum and palladium—Difference method using inductively coupled plasma optical emission spectroscopy
GB/T 21198 的本部分规定了通过测定 999‰ 银合金首饰中的杂质元素含量来确定银含量的方法。 本部分适用于银含量为 999‰的银合金首饰
Determination of precious metals in precious metals jewellery alloys.Method using ICP spectrometry.Part 5: 999‰silver jewellery alloys.Determination of silver.Difference method
GB/T 21198 的本部分规定了以钇为内标采用 ICP 光谱法测定铂合金首饰中铂含量的方法。 本部分适用于铂含量为 850‰~970‰的铂合金首饰
Determination of precious metals in precious metals jewellery alloys- Method using ICP spectrometry- Part 1: Platinum jewellery alloys- Determination of platinum-Method using a solution with yttrium as internal standard element
GB/T 21198 的本部分规定了以钇为内标采用 ICP 光谱法测定钮合金首饰中钯含量的方法。 本部分适用于钯含量为 475‰~970‰的钮合金首饰
Determination of precious metals in precious metals jewellery alloys.Method using ICP spectrometry.Part 3: Palladium jewellery alloys.Determination of palladium.Method using a solution with yttrium as internal standard element
This European standard specifies the precious metal content in solders suitable for use in the production of jewellery made of precious metal alloys
Precious metals - The finenesses of solders used with precious metal jewellery alloys
Precious metals - The finenesses of solders used with precious metal jewellery alloys
Precious metals - The finenesses of solders used with precious metal jewellery alloys.
GB/T 21198的本部分规定了应用ICP光谱仪采用所有微量元素与铂强度比值法测定铂合金首饰中杂质元素的总量来确定铂含量的方法。 本部分适用于GB 11887所规定铂首饰的纯度范围
Determination of precious metals in precious metals j ewellery alloys.Method using ICP spectrometry.Part 2:Platinum jewellery alloys--Determination of platinum.Method using the intensity ratios of all minor constituents with reference to platinum
이 표준은 귀금속 시장에서 사용하는 귀금속 합금(땜납 제외)의 순도 범위를 적용한다
Jewellery-Fineness of precious metal alloys
Specifies a range of fineness of gold alloys (375, 585, 750, 916), platinum alloys (850, 900, 950), palladium alloys (500, 950), and silver alloys
Jewellery; fineness of precious metal alloys
This International Standard specifies a range of fineness of precious metal alloys (excluding solders) recommended for use in the field of jewellery
Jewellery - Fineness of precious metal alloys
This document specifies a range of fineness of precious metal alloys (excluding solders) recommended for use in the field of jewellery. NOTE
Jewellery and precious metals - Fineness of precious metal alloys
This International Standard specifies a range of fineness of precious metal alloys (excluding solders) recommended for use in the field of jewellery
Jewellery - Fineness of precious metal alloys