Zinc containing potassium iodide starch indicator solution Special for pharmacopoeia 7681-11-0 KI 166 g./mol ฿900.00 View
Zinc sulfate heptahydrate Pharmaceutical grade, Ph. Eur..JP, USP 7446-20-0 ZnSO₄·₇H₂O 287.56 g./mol ฿7,100.00 View