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CRITERIA

VALUE

1.

Phosphorus by wt soluble in 0,4% solution of hydrochloric acid, %, converted to P2O5 converted to P, min

27 (+/- 1)
11.2

2.

Calcium by wt, %, min

30

3.

Water by wt, %, max

1

4.

Fluorine by wt, %, max

0.2

5.

Arsenic by wt, %, max

0.001

6.

Lead by wt, %, max

0.002

7.

Content of metal – magnetic particles:
up to 2 mm, max
more than 2 mm

100
ABSENT

8.

Ash by wt insoluble in hydrochloric acid, %, max

30

9.

Size:
Tails on net with mesh of 1 mm diameter, %, max

1

10.

Specific activity of natural radionuclides, kBk/kg, max

2.8