SPECIFICATION

LR

AR

ACS

Insoluble Matter

---

0.003%

0.005%

pH of a 5% solution at 250C

---

5.0 6.5

---

-insoluble matter

---

Passes Test

---

Nitroen compounds (N)

---

0.002%

---

Nitrate (NO3)

---

---

0.001%

Ammonium (NH4)

---

---

0.002%

Barium (Ba)

---

0.002%

0.005%

Manganese (Mn)

---

0.0005%

0.0005%

Sulphate (SO4)

0.01%

0.002%

0.002%

Heavy Metals (as Pb)

---

0.0002%

0.0005%

Iron (Fe)

0.002%

0.0002%

0.0005%

Phosphate (PO4)

0.004%

0.0002%

0.0005%

Calcium (Ca)

0.03%

0.0002%

0.01%

Copper (Cu)

---

0.0002%

---

Potassium (K)

---

0.001%

0.005%

Sodium (Na)

---

0.001%

0.005%

Strontium (Sr)

---

0.002%

0.005%

Zinc (Zn)

---

0.0005%

---

Assay

NLT 97%

NLT 98%

99 -102%