Sodium Oxalate

SPECIFICATION

LR

AR

ACS

Insoluble Matter

---

0.005%

0.005%

pH of a 3% solution at 250C

7.0 8.7

7.5 8.5

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Chloride (Cl)

0.005%

0.002%

0.002%

Nitrogen Compounds (N)

---

0.001%

---

Neutrality

---

---

Passes test

Ammonium (NH4)

---

---

0.002%

Sulphate (SO4)

0.03%

0.002%

0.002%

Heavy Metals (as Pb)

---

0.0005%

0.002%

Iron (Fe)

0.005%

0.0005%

0.001%

Substances darkened by hot sulphuric acid

---

---

Passes test

Copper (Cu)

---

0.0005%

---

Potassium (K)

0.02%

0.005%

0.005%

Assay

NLT 99.5%

NLT 99.9%

NLT 99.5%

Loss on Drying

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0.01%

0.01%