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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 6150.13-2022 |
Methods for chemical analysis of tungsten concentrates - Part 13: Determination of arsenic content - Atomic fluorescence spectrometry and DDTC-Ag spectrophotometry {译} 钨精矿化学分析方法 第13部分：砷含量的测定 原子荧光光谱法和DDTC-Ag分光光度法 |
China National Standards DDTC |
 English PDF |
| GB/T 4701.3-2009 |
Ferrotitanium - Determination of copper content - The DDTC photometric method and the flame atomic absorption spectrometric method 钛铁 铜含量的测定 铜试剂光度法和火焰原子吸收光谱法 |
China National Standards DDTC |
English PDF |
| GB/T 6150.13-2008 |
Methods for chemical analysis of tungsten concentrates - Determination of arsenic content - Hydride reduction atomic absorption spectrometry and the silver diethyldithiocarbamate(DDTC-Ag) photometry 钨精矿化学分析方法 砷量的测定 氢化物原子吸收光谱法和DDTC－Ag分光光度法 |
China National Standards DDTC |
English PDF |
| GB/T 2464-1996 |
Pyrites and concentrate--Determination of arsenic content--Ag-DDTC spectrophotometric method 硫铁矿和硫精矿中砷含量的测定 Ag-DDTC分光光度法 |
China National Standards DDTC |
English PDF |
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