GB/T 26389-2011.Method of classified type of weighing instrument products.1范围GB/T 26389规定了衡器型号的类别、称量方式、承载器形式、规格、型式等代码的...
GB/T 15046-2011.Fatty diethanol amide.5.1.4.1硅胶色谱柱的制 备与安装用脱脂棉(需要时)堵住色谱柱的底部,然后往色谐柱中填充35g硅胶,并在橡胶垫上蹭...
GB/T 13025.9-2012.General test method in salt industry-Determination of lead.3.2.7铅标准 储备液准确称取0.1598g硝酸铅,加10mL硝酸(1+9),全部溶解后,移人1000mL容量...
GB/T 13025.8-2012.General test method in salt industry- Determination of sulfate.4.2.8铬黑 T指示剂称取0.2g铬黑T和2 g盐酸羟胺,溶于无水乙醇中,用无水乙醇稀释至...
GB/T 13025.7-2012.General test method in salt industry-Determination of iodine.4.3 仪器4.3.1碘量仪:WYD 型。4.3.2天平:感量0.01 g.4.3.3一般实验室仪器。4.4分析步骤...
GB/T 13025.6-2012.General test method in salt industry-Determination of calcium and magnesium.5.3 仪器5.3.1原子吸收分 光光度计。5.3.2一般实验室仪器所用玻璃仪器...
GB/T 13025.5-2012.General test method in salt industry-Determination of chlorideion.GB/T13025的本部分规定了盐产品和盐化工产品中氣离子的测定方法。.GB/T 1302...
GB/T 13025.4-2012.General test method in salt industry-Determination of insoluble matter.GB/T 13025.4规定了盐产品和盐化工产品中水不溶物的测定方法。GB/T 13025....
GB/T 13025.3-2012.General test method in salt industry-Determination of moisture.1范围GB/T13025的本部分规定了盐产品和盐化工产品中水分的测定方法。GB/T 1302...
GB/T 13025.1-2012.General test method in salt industry- Determination of grain size.1范围GB/T13025的本部分规定了食用盐和盐产品粒度的测定方法。GB/T 13025.1适用...