
| ItemName | SPEC |
|---|---|
| Assay | Min. 98.0% |
| Sulfate(SO4) | Max. 0.01% |
| Basic salt(as ZnO) | Max. 2.4% |
| Insoluble component by (NH4)2S | Max. 0.4% |
| Solubility in diluted HCl | To pass test |
| Appearance | To pass test |
| Heavy metals(as Pb) | Max. 0.01% |
| Iron(Fe) | Max. 0.004% |
| Potassium(K) | Max. 0.02% |
SAMCHUN PURE CHEMICAL CO., LTD.
https://www.samchun.com
Samchun Chemical Co., Ltd. 06109 7-7, Bongeunsa-ro 37-gil, Gangnam-gu, Seoul
Samchun Pure Chemical Co., Ltd. 17745 117, Sandan-ro 16beon-gil, Pyeongtaek-si, Gyeonggi-do
Tel : +82 31) 668-0700 Fax : +82 31) 668-5617