潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图

Package: 25kg/bag,or as per customer's requirements

Uses : Agriculture,Gardening,Pharmaceuticals,Water treatment,Metal finishing

Molecular Structure:

Product description: Product Name: EDTA 2NA Formula: EDTA-2Na.2H2O Molecular weight: 372.2 Appearance: white crystalline powder Assay: % 99.0min. Chelated value(at PH=11) 267mg CaCO3/g Chloride (Cl-): % 0.01max. Fe: % 0.001max. Heavy metal (as per Pb2+): 0.001max. Residue after burning (sulfate): % 0.2max. Packaging: Polypropylene bag lined with polyethylene bag, N.W. 25Kg/bag Storage: Be stored in dry and ventilated warehouse. Avoid direct sunshine and handle with care