铬总 标准查询与下载
共找到 150 条与 铬总 相关的标准，共 10 页
Water. Methods for determining chromium (VI) and total chromium content
Chemical analysis of copper alloys. Volumetric determination of total chromium.
Water. Methods for determination of chromium (VI) and total chromium
Electrochemical method for determination of extractable hexavalent chromium and total chromium from imported and exported textiles
Water quality-Determination of total chromiun
Paints and varnishes. Determination of "soluble" metal content. Determination of total chrome content in liquid fraction of paint.
本标准规定了用火焰原子吸收分光光度法、电感耦合等离子体质谱法测定化妆品中总铬含量的方法。本标准适用于化妆品中总铬含量的测定。当称样量为1 g时,火焰原子吸收分光光度法检出限为0.25 mg/kg,定量限为0.83 mg/kg;电感耦合等离子体质谱法检出限为0.005 mg/kg,定量限为0.015
Determination of chromium in cosmetics
本标准规定用二苯基碳酰二肼比色法测定煤矿水中的总铬。 本标准适用于煤矿水中总铬的测定。在本标准规定条件下，测定总铬含量的范围是0.004~1mg/L,稀释水样可扩大测定范围
Determination of total chrominum in mine water
本部分规定了用二苯基碳酰二肼比色法测定煤矿水中总铬含量的测定方法。 本部分适用于煤矿水中总铬含量的测定，本部分测定总铬含量的范围是0.004 mg/L～1.000 mg/L
Determination of total chrominum in mine water
Metallic chrome. Method for determination of total aluminium
GB/T39560 的本部分规定了X射线荧光光谱法筛选分析电子电气产品均质材料中铅、汞、镉、总铬、总溴五种物质的程序。本部分适用于聚合物、金属和陶瓷材料。本部分也适用于原材料、取自产品的单一材料,以及由一种材料以上组成的均质化混合材料。任何满足本部分所规定性能的XRF光谱仪都可以用于样品筛选,但
Determination of certain substances in electrical and electronic products—Part 3-1: Screening lead, mercury, cadmium, total chromium and total bromine by X-ray fluorescence spectrometry
Настоящий стандарт распространяется на хромовые руды и концентраты и устанавливает газообъемный (при массовой доле углерода от 0,1 до 5,0
Choromium ores and concentrates. Methods for determination of total carbon
Determination of total chromium, trivalent chromium and hexavalent chromium content in water-soluble fertilizers
Determination of certain substances in electrotechnical products Part 3-1: Screening - Lead, mercury, cadmium, total chromium and total bromine by X-ray fluorescence spectrometry
本部分适用于各类土壤中铬的测定
Soil Testing.Part 12:Method for determination of soil total chrome
