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Web:http://http://www.cpcc.hk.cn
E-mail:cpcc@pigeonchem.com
Address:ROOM 1605,HO KING COMMERCIAL CENTER,2-16 FA YUEN STREET,MONGKOK,KOWLOON,HONG KONG
Quality standard
|
项目 Iterms |
工业级 Industrial Grade |
食品级 Food Grade |
|
主含量（以NaH2PO4.2H2O计） % Main Content NaH2PO4.2H2O |
≥98 |
≥98 |
|
五氧化二磷（以P2O5计） % Phosphorus pentoxide |
≥44.6 |
≥44.6 |
|
PH 值 PH Value of 1% water solution |
4.2-4.8 |
4.2-4.8 |
|
重金属 % Heavy metals, as Pb |
|
≤0.001 |
|
砷（以As计） % Arsenic, as As |
|
≤0.0003 |
|
氟化物（以F计） % Fluoride, as F |
|
≤0.005 |
|
水不溶物 % Water insoluble |
≤0.1 |
≤0.1 |
|
外观 Appearance |
白色粒状结晶 White Granular Crystal |
白色粒状结晶 White Granular Crystal |