User talk:Sionphos2011

Phosphoric Acid Molecular Formula:H3PO4 Molecular Weight:97.99 Property:It is in Colorless,transparent and syrupy liquid or rhombic crystalline;It is odorless;It is odorless and tastes very sour;its melting point is 42.35 and when heated to 300,it will become into meta phosphoric acid,its relative density is 1.834;it is easily soluble in water and resolves in ethanol;it may irritate human skin to cause phlogosis and destroy the issue of human body;it shows corro-siveness being heated in ceramic vessels;it has got hydroscopicity. Specification: ITEMS

SPECIFICATIONS FOOD GRADE(index)	TECH GRADE(index) Appearance	Colorless or in very light color,transparent syrupy liquid Color/Hazen	≤	20	30 Main content	 	75.0/81.0/85.0%	75.0/81.0/85.0% Arsenic (as As)	≤	0.0001%	0.008% Fluoride( as F)	≤	0.001%	— Heavy Metal (as Pb)	≤	0.001%	0.001% Easily oxidized substances	≤	0.04%	— Sulphates（as So42-）	≤	0.008%	0.005* Lron (as Fe)	≤	—	0.002 Chloride( as Cl-)	≤	0.0005%	0.0005%

Packing &Storage: Packed in 35kg or 330kg net plastic drums. During transportation or storage,the inner cover as well as the outer cover of the packing drums must be well sealed.it is classified as a hazardous products of the 2nd class of risk,and its hazardous chemicals code in china is 93002;it is easily frozen in winter season. Application:Technical grade phosporic acid may be used to produce variety of phosphates,electrolyte treatment liquids or chemical treatment liquids,refractory mortar with phosphoric acid and inorganic coheretant.It is also used as a catalyst,drying agent and cleaner.In coating industry it is used as a rust-proof coating for metals;As a acidity regulator and nutrition agent for yeast food grade phosphoric acid may be applied to flavors,canned food and light drinks as well as used in wine brewery as a nutrients source for yeast to prevent the reproduction of useless bacteria.