详细说明
Molecular Formula : H3PO4 Molecular Weight : 97.99
Uses : Used as acidity agent and yeast-nutritive agent in food industry as well as used in medicine, electron, air industry and or so.
No.of standard : GB 3149-2004
Specifications
Indexes
Appearance
Colorless transparent thick liquid
Chromaticity,Hazen
≤ 20%
Content of H 3 PO 4
≥ 85.0%
Content of As
≤ 0.0001%
Content of F
≤ 0.001%
Heavy content of heavy metals
( calculated with Pb )
≤ 0.001%
Content of chloride
( calculated with Cl )
≤ 0.0005%
Content of sulphate
( calculated with SO 4 2- )
≤ 0.005%
Content of H 3 PO 3
≤ 0.012%