SPECIFICATION

LR

AR

ACS

Insoluble Matter

---

0.003%

0.01%

pH of a 5% solution at 250C

4.5 8.5

4.5 6.5

4.5 8.5

Oxidizing Substances (as NO3)

---

---

0.003%

Nitrogen Compounds (N)

---

0.005%

---

Sulphate (SO4)

0.01%

0.005%

0.01%

Ammonium (NH4)

---

---

0.005%

Barium (Ba)

---

0.003%

0.005%

Heavy Metals (as Pb)

0.001%

0.0005%

0.0005%

Iron (Fe)

0.001%

0.0003%

0.001%

Copper (Cu)

---

0.0005%

---

Magnesium (Mg)

0.05%

0.005%

0.005%

Potassium (K)

---

0.01%

0.01%

Sodium (Na)

---

0.01%

0.02%

Strontium (Sr)

---

0.05%

0.1%

Assay

NLT 97.0%

NLT 99.5%

99 105%