YS/T 520.5-2007
Chemical analysis of gallium—Part 5:Determination of calcium content—The N2O-C2H2 flame atomic absorption spectral method
GB/T 27717-2011(\u82f1\u6587\u7248)
家具中富马酸二甲酯含量的测定
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 15072.4-2008(\u82f1\u6587\u7248)
贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法
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
DB4401/T 114-2021
GB/T 1516-2006
Manganese ores - Determination of arsenic content - Silver diethyldithiocarbamate spectrophotometric method
DB44/T 2040-2017
GB/T 23276-2024
Method for chemical analysis of palladium compounds—Determination of palladium content—Complexometric tityation using butanedione dioxime releasing EDTA and gravimetric method
GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
SN/T 4389-2015
DZ/T 0064.13-1993
GB/T 17830-2017
Determination of polyethylene glycol content in nonionic ethoxylated surfactants—HPLC 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 21464-2008
Rubber - Determination of 5-Ethylidenenorbornene(ENB)or Dicyclopentadiene(DCPD) in Ethylene-Propylene-Diene (EPDM) Terpolymers
NY/T 890-2004
Determination of available zinc,manganese,iron,copper in soil-extraction with buffered DTPA solution
YB/T 6038-2022
GB/T 4325.13-1984
Methods for chemical analysis of molybdenum--The glyoxal bis (2-hydroxyanil) photometric method for the determination of calcium content
GB/T 4324.13-1984
Methods for chemical analysis of tungsten--The glyoxal bis (2-hydroxyanil) photometric method for the determination of calcium content
YB/T 4909.1-2021
Analytical method of calcium-based desulfurizer for steelmaking hot metal pretreatment-Part 1:Determination of silicon dioxide content-Perchloric acid dehydration gravimetric method