Sodium Sulphate Anhydrous

SPECIFICATION

LR

AR

ACS

Water Insoluble Matter

---

0.005%

0.01%

pH of a 5% solution at 250C

5.0 8.0

5.5 8.0

5.2 9.2

Chloride (Cl)

0.005%

0.001%

0.001%

Nitrogen Compounds (N)

---

0.001%

0.0005%

Oxidizing substances

---

No Reaction

---

Reducing Substances (O)

---

0.002%

---

Heavy Metals (as Pb)

0.002%

0.0002%

0.0005%

Iron (Fe)

0.002%

0.0002%

0.001%

Phosphate (PO4)

---

0.002%

0.001%

Calcium (Ca)

---

0.01%

0.01%

Nitrate (NO3)

0.01%

---

---

Magnesium (Mg)

---

0.001%

0.005%

Copper (Cu)

---

0.0002%

---

Potassium (K)

0.1%

0.01%

0.01%

Assay

NLT 99.0%

NLT 99.5%

NLT 99.0%

Loss on Drying

0.5%

0.5%

0.5%