Potassium Nitrate

SPECIFICATION

LR

AR

ACS

Insoluble Matter

---

0.003%

0.005%

pH of a 5% solution at 250C

5.5 - 8.0

5.0 - 7.0

4.5 - 8.5

Chloride (Cl)

0.02%

0.0005%

0.002%

Iodate (IO3)

---

0.0005%

0.0005%

Nitrite (NO2)

---

0.001%

0.001%

Phosphate (PO4)

0.002%

0.0005%

0.0005%

Sulphate (SO4)

0.02%

0.003%

0.003%

Ammonium (NH4)

---

0.001%

---

Heavy Metals (as Pb)

0.002%

0.0001%

0.0005%

Iron (Fe)

0.002%

0.0001%

0.0003%

Magnesium (Mg)

---

0.0015%

0.002%

Calcium (Ca)

---

0.0015%

0.005%

Copper (Cu)

---

0.0001%

---

Sodium (Na)

0.2%

0.01%

0.005%

Assay

NLT 99.0%

NLT 99.5%

NLT 99%

Loss On Drying

0.5%

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