Use:
Technical grade phosphoric 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.
Technical grade phosphoric 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.
Properties:
It is Colorless, transparent and syrupy liquid; It is odorless and tastes very sour; its melting point is 42.35 ; 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 has got hydroscopic.
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Specifications of Phosphoric Acid food grade
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No.
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Items of Analysis
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Unit
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National standard:
GB3149-2004
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Analytical data
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1
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Color
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Apha
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≤20
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10
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2
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H3PO4
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%
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≥85.0
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85.1
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3
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ArsenicAs
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%
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≤0.00005
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0.00002
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4
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Heavy metalPb
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%
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≤0.0005
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0.0003
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5
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Fluorine(F)
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%
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≤0.0010
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0.0001
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6
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Oxide(H3PO3)
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%
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≤0.0120
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0.0030
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