GB/T 15072.12-2008(\u82f1\u6587\u7248)
贵金属合金化学分析方法 银合金中钒量的测定 过氧化氢分光光度法
GB/T 6730.7-2016(\u82f1\u6587\u7248)
铁矿石 金属铁含量的测定 磺基水杨酸分光光度法
GB/T 4164-2008
Metallic powders - Determination of hydrogen reducible oxygen content
GB/T 5158.2-2011
Metallic powders - Determination of oxygen content by reduction methods - Part 2: Loss of mass on hydrogen reduction(hydrogen loss)
GB/T 4702.17-2016
Chromium metal─Determination of oxygen, nitrogen and hydrogen content─Inert gas fusion thermal infrared detection method and conductivity method
GB/T 5158.3-2011
Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen
GB/T 43604.1-2023
Methods for chemical analysis of gallium-based liquid metals—Part 1:Determination of lead, cadmium, mercury and arsenic contents—Inductively coupled plasma mass spectrometry
GB/T 4164-2002
Metallic powders—Determination of hydrogen-reducible oxygen content
GB/T 18043-2013(\u82f1\u6587\u7248)
首饰 贵金属含量的测定 X射线荧光光谱法
GB/T 4164-1984
Metallic powders--Determination of hydrogen reducible oxygen content
BS EN ISO 3690:2018
Welding and allied processes. Determination of hydrogen content in arc weld metal
GB/T 6276.9-2010
Determination of ammonium hydrogen carbonate for industrial use—Part 9:Heavy metal content—Visible turbidimetric method
KS B ISO 3690-2023
Welding and allied processes — Determination of hydrogen content in arc weld metal
KS D ISO 4491-2-2008(2023)
Metallic powders-Determination of oxygen content by reduction methods-Part 2:Loss of mass on hydrogen reduction (hydrogen loss)
EN ISO 4491-2:2023
\u0413\u041e\u0421\u0422 34061-2017
Welding and allied processes. Determination of hydrogen content in deposited metal and arc weld metal
\u0413\u041e\u0421\u0422 18897-98
Metallic powders. Determination of oxygen content by reduction methods. Loss of mass on hydrogen reduction (hydrogen loss)
EN ISO 3690:2018
GB/T 6276.9-1986
Ammonium hydrogen carbonate for industrial use—Determination of heavy metal content—Visible tarbidimetric method
ISO 4491-2:2023
Metallic powders — Determination of oxygen content by reduction methods — Part 2: Loss of mass on hydrogen reduction (hydrogen loss)