Chemical formula\uff1aK4P2O7<\/p>\n\n\n\n
Molecular weight\uff1a330.34<\/p>\n\n\n\n
Property:white powder or mass, specific gravity: 2.534, M.P.: 1109 ; Soluble in water, insoluble in ethanol and its aqueous solution is alkali. Solubility(25 ): 187g\/100g water; PH (1% aqueous solution): 10.2; It has the same properties as other condensed phosphate.<\/p>\n\n\n\n
\u6280\u672f\u6307\u6807\uff1aTechnical Specifications\uff1a<\/p>\n\n\n\n Uses: mainly used as complexing agent in cyanogen-free electroplating, substituting for sodium cyanide. It also can be used as pretreating agent in electroplating and pyrophosphoric acid electroplating solution, as ingredient and additive in all kinds of detergents and metal surface treating agent, as clay dispersant in ceramic industry, as dispersant and buffering agent in pigment and dyes, to remove a small amount of ferric ion from water in blanching and dyeing industry to improve quality.<\/p>\n\n\n\n Packing\uff1aPlastic woven bag. Net weight 25 Kg\u3001 50Kg \u30011000Kg , store at a cool, dry and well ventilated place.<\/p>\n\n\n\n\u5e8f\u53f7No.<\/td> \u6307\u6807\u540d\u79f0Specifications<\/td> \u5de5\u4e1a\u7ea7Tech grade<\/td> \u98df\u54c1\u7ea7Food grade<\/td><\/tr> 1<\/td> \u4e3b\u542b\u91cf % \u2265 Main content<\/td> 98.0<\/td> 98.0<\/td><\/tr> 2<\/td> P2O5 % \u2265<\/td> 42.2<\/td> 42.2<\/td><\/tr> 3<\/td> Cl % \u2264<\/td> 0.005<\/td> 0.001<\/td><\/tr> 4<\/td> \u94c1 % \u2264 Fe<\/td> 0.008<\/td> 0.003<\/td><\/tr> 5<\/td> \u6c34\u4e0d\u6eb6\u7269 % \u2264 Water insoluble<\/td> 0.2<\/td> 0.1<\/td><\/tr> 6<\/td> PH\u503c PH (2% water solution )<\/td> 10.1-10.7<\/td> 10.1-10.7<\/td><\/tr> 7<\/td> \u91cd\u91d1\u5c5e \u2264 Heavy Metal\uff08Pb\uff09<\/td> 0.003<\/td> 0.001<\/td><\/tr> 8<\/td> \u6c1f % \u2264 F<\/td> 0.001<\/td> 0.001<\/td><\/tr> 9<\/td> \u7837 % \u2264 As<\/td> 0.005<\/td> 0.0003<\/td><\/tr> 10<\/td> Loss on ignition % \u2264<\/td> 0.5<\/td> 0.5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n