Item No

Inspection Item

Standard No

Exact No

Single judge

1

PTPP(base on dry base) content % ≤

85.0

92.1

Qualified

2

Phosphorus pentoxide(base on P₂O₅) % ≥

46.0-48.0

46.8

Qualified

3

Apperance

White Crystal or powder

4

Potassium oxide(base on K₂O)

51.0-53.5

52.3

Qualified

5

PH value(10g/L solution)

9.5-10.1

9.7

Qualified