assay 99.0% min. 99.44% |
item |
standardization |
result |
aspect |
white to slightly yellow monocline rhombus or needle crystalline powder |
complied |
identification |
positive |
complied |
particle size |
100% through 50 meshes; nlt 30% through 30meshes |
complied |
solubility |
5 ml 1% 1n naoh solution is colourless and clear |
complied |
heavy metals |
10ppm max. |
complied |
fe |
≤20ppm |
complied |
cl |
≤50ppm |
complied |
sulfates |
≤250ppm |
complied |
packaging
factory
faq
if you have any question when you contact or before place an order to us, please first check the below information for reference. you can find information that can help you decide whether your product or related accessory needs service, and see what service options are available to you.