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Phosphoric Acid 73%

Phosphoric Acid 73%

Phosphoric Acid 73%

It is used for flushing drip irrigation systems and as a phosphorus fertilizer.

Physical and chemical indicators:

1. Appearance - colorless, transparent liquid

2. The phosphoric acid (H3PO4),% not less than 73.0

3. Density, g / cc., No less than 1.69

4. The ash residue,% not more than 0,2

5. Volatile acid (CH3COOH),% not more than 0,001

6. Nitrate (NO3),% not more than 0.0005

7. sulphates (SO4),% not more than 0,003

8. chlorides (Cl),% not more than 0,001

9. ammonium salt (NH4),% not more than 0,002

10. Iron (Fe),% not more than 0,001

11. Arsenic (As),% no more than 0.00005

12. Heavy metals (Pb),% not more than 0.0005

13. Substances reducing KMnO4 (H3PO3),% not more than 0,012

Hazard Class: 3 (moderately hazardous substances).