GB/T 6730.8-2016(\u82f1\u6587\u7248)
铁矿石 亚铁含量的测定 重铬酸钾滴定法
GB/T 24226-2009(\u82f1\u6587\u7248)
铬矿石和铬精矿 钙含量的测定 火焰原子吸收光谱法
GB/T 2389-2013
Reactive dyes—Determination of relative content of hydrolised dye comparatively standard sample
GB/T 2381-2013
Dyestuffs and intermediate of dyestuffs - Determination of content of insoluble matters
GB/T 6730.30-2017(\u82f1\u6587\u7248)
铁矿石 铬含量的测定 二苯基碳酰二肼分光光度法
GB/T 37039-2018
Determination of harmful solvent in dye products
GB/T 2382-2015
Sulphur dyes—Determination of content of free sulphur
GB/T 24230-2009
Chromium ores and concentrates - Determination of chromium content - Titrimetric method
GB/T 24231-2009(\u82f1\u6587\u7248)
铬矿石 镁、铝、硅、钙、钛、钒、铬、锰、铁和镍含量的测定 波长色散X射线荧光光谱法
GB/T 4702.1-2016
Chromium metal—Determination of chromium content—The ammonium ferrous sulfate titrimetric method
GB/T 33054-2016
Determination of content of sodium sulfide in sulphur dye products
GB/T 36084-2018(\u82f1\u6587\u7248)
纳米技术 水溶液中铜、锰、铬离子含量的测定 紫外-可见分光光度法
GB/T 38287-2019
Determination of hexavalent chromium in plastic materials
GB/T 24229-2009
Chromium ores and concentrates - Determination of aluminium content - Complexometric method
GB/T 24990-2010
Paper,board and pulps - Determination of chromium
GB/T 29660-2013
Determination of Chromium in cosmetics
GB/T 24226-2009e
Chromium ores and concentrates—Determination of calcium contents—Flame atomic absorption spectrometric method
GB/T 24226-2009
Chromium ores and concentrates - Determination of calcium contents - Flame atomic absorption spectrometric method
NY/T 3425-2019
Water-soluble fertilizers-Determination of total Chromium and chromium (Ⅲ)and chromium (Ⅵ)contents
GB/T 4702.2-2008
Chromium metal - Determination of silicon content - The perchloric acid gravimetric method