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Test Item
|
Standard
|
Result
|
Appearance
|
White crystalline powder or granular
|
White crystalline granular
|
Assay(on dry basis),%
|
99.5-100.5
|
99.96
|
PH
|
5-7
|
6.32
|
Loss on drying,%
|
≤0.2
|
0.03
|
Ash,%
|
≤0.1
|
0.02
|
Melting range,℃
|
119-123
|
119.9-122.7
|
Lead(Pb),mg/kg
|
≤0.5
|
0.03
|
As,mg/kg
|
≤0.3
|
<0.01
|
Reducing Sugars,%
|
≤0.3
|
<0.3
|
Ribitol and glycerol,%
|
≤0.1
|
<0.01
|
Cont of bacteria,cfu/g
|
≤300
|
<10
|
Yest and Moulds cfu/g
|
≤100
|
<10
|
Coliform MPN/g
|
≤0.3
|
<0.3
|
Salmonella enteriditis
|
Negative
|
Negative
|
Shigella
|
Negative
|
Negative
|
Staphylococcus aureus
|
Negative
|
Negative
|
Beta Hemolyticstreptococcus
|
Negative
|
Negative
|
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