Chemical reagent—General method for the determination of heavy metals
NEQ ISO 6353-1:1982
全国化学标准化技术委员会化学试剂分会(SAC/TC 63/SC 3)
本标准规定了在乙酸介质中将重金属转变成硫化物并用目视比色法进行测定的通用方法。
本标准适用于化学试剂中以铅计的重金属的测定。饱和硫化氢水溶液比色法的检测范围为0.3 μg/mL～2 μg/mL（以Pb计）；硫化钠丙三醇比色法的检测范围为0.4 μg/mL～ 3 μg/mL（以Pb计）。
This standard is the original Chinese electronic standard.
After you successfully purchase, we will send the electronic version of this standard to your email address.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
