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Item
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Specification
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Appearance
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White or almost white, amorphous or crystalline powder
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pH
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5.0-7.5
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Clarity and color of solution
|
The solution is colorless to yellowish clear solution.
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Related Substance (%) |
Betadex (%)
|
≤0.5
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|
Sum of Impurities (Except Betadex)
|
≤1.0
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|
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Water Content (%)
|
≤5.0
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|
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Residue on Ignition (%)
|
≤0.5
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|
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Heavy Metal(ppm)
|
≤10
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|
|
Reducing Substances (%)
|
≤0.5
|
|
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Assay of Methoxyl (%)
|
10.4-31.2
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|
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Average Degree of Substitution
|
4.0-13.3
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|
|
The Total Aerobic Microbial Count (cfu/g)
|
≤102
|
|
|
The Total Combined Molds and Yeasts Count (cfu/g)
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≤102
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|
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Escherichia Coli (cfu/10g)
|
Absent
|
|
|
Salmonella (cfu/10g)
|
Absent
|
|