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Impurities content (weight %) | |
---|---|
Vanadium (V5+) | <0.00001 |
Bismuth (Bi3+) | <0.0005 |
Tungsten (W6+) | <0.01 |
Iron (Fe2+) | <0.00005 |
Gold (Au3+) | <0.001 |
Calcium (Ca2+) | <0.005 |
Cobalt (Co2+) | <0.000002 |
Magnesium (Mg2+) | <0.002 |
Manganese (Mn2+) | <0.00005 |
Copper (Cu2+) | <0.00005 |
Molybdenum (Mo6+) | <0.001 |
Nickel (Ni2+) | <0.000005 |
Silver (Ag+) | <0.001 |
Sulfates (SO42-) | <0.01 |
Chlorides (Cl-) | <0.0005 |
Chromium (Cr3+) | <0.000005 |
Potassium + Sodium (K+ + Na+) | <0.01 |
pH of 5% -water solution | >3 |