Changzhou Chuanlin Chemical Co., Ltd.

Phosphoric acid, technical grade

Phosphoric acid content≥: 75%
Application grade: technical grade
Executive standard: GB2091-2003
Color/appearance: Hazen
Quality grade: superior product
Specification: technical grade (85%, 80%, 75%): upon customer's request
Packing: 35kg;20L plastic drum; 200L plastic; upon customer's request
Uses: metal surface treatment agent, catalyst for organic reaction, etc.

Technical requirement:
1. Appearance: colorless transparent or yellowish viscous liquid
2. Technical phosphoric acid shall meet the following requirements (GB2091-2003)

 
superior product
First-class product
Qualified product
superior product
First-class product
Qualified product
Chroma/Hazen ≤
20
30
40
20
30
40
Mass fraction of phosphoric acid (H3PO4), % ≥
85.0
85.0
85.0
75.0
75.0
75.0
Mass fraction of chloride (Cl), % ≤
0.0005
0.0005
0.0005
0.0005
0.0005
0.0005
Mass fraction of sulfate (SO4), % ≤
0.003
0.005
0.01
0.003
0.005
0.01
Mass fraction of iron (Fe), % ≤
0.002
0.002
0.002
0.002
0.002
0.005
Mass fraction of arsenic (As), % ≤
0.0001
0.005
0.01
0.0001
0.005
0.01
Mass fraction of heavy metal (Pb), % ≤
0.001
0.001
0.05
0.001
0.001
0.05

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