$10
Determination of silver in silver jewellery alloys—Volumertic (potentiometric) method using sodium chloride or potassium chloride
MOD ISO 13756:1997
全国首饰标准化技术委员会(CSBTS/TC256)
This standard is the original Chinese electronic standard.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
After you successfully purchase, we will send the electronic version of this standard to your email address