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No. |
Items for detecting and analyzing
|
Specifications |
Results of inspecting
|
1
|
Mass fraction of potassium dihydrogen
phosphate(KH2PO4)(%) |
99min
|
99.1
|
2
|
Mass fraction of water-soluble phosphorus
pentoxide(P205)(%) |
52min
|
52.1
|
3
|
Mass fraction of potassium oxide(K20)(%)
|
34min
|
33.97
|
4
|
Moisture content(%)
|
0.5max
|
0.1
|
5
|
pH value
|
4.3-4.7
|
4.42
|
6
|
Mass fraction of chioride(Cl)(%)
|
≦0.05
|
0.004
|
7
|
Mass fraction of water insoluble matter(%)
|
≦0.1
|
0.06
|
8
|
Heavy Metal (as As)(%)
|
0.005
|
0.003
|