Specifications: 5%, 10%, 20%, 70%, 90% Product Information: Appearance: light yellow Powder Test Item: Appearance, Loss on drying,Assay, Arsenic, Heavy Metals, Microbiological, Carrier* Packing: 1kg/bag, 2.5kg/bag Storage: Suggest to store in dry area under 5 degree, keep vacuum sealed and away from light For further info, pls contact us by email or phone, we can provide you our best price with high quality.