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POTASSIUM SULFATE BIO-REFINED™
ITEM#:1932
K2SO4
CAS#:7778-80-5
F.W.:174.26
NFPA#:
Specific Gravity: 0.000
DOT:NR
Descriptions: 
Specification
TEST
1. Assay 99% min.
2. pH (0.5 M in water @ 20 deg. C) 6.0-7.5
3. Water <1.0%
4. Insoluble Matter 0.005% max
5. Chloride (Cl) 0.0005% max
6. Total Nitrogen 0.0005% max
7. Phosphate (PO4) 0.001% max
8. Absorbance (0.5M in H2O) @ 260 nm <0.005
9. Absorbance (0.5M in H20) @ 280 nm <0.005
Properties
Al 5 ppm As 1 ppm Ba 5 ppm
Bi 5 ppm Ca 50 ppm Cd 5 ppm
Co 5 ppm Cr 5 ppm Cu 5 ppm
Fe 5 ppm Li 5 ppm Mg 20 ppm
Mn 5 ppm Mo 5 ppm Na 50 ppm
Ni 5 ppm Pb 5 ppm Sr 50 ppm
Zn 5 ppm