Polyvinylpyrrolidone cross-linked CAS: 25249-54-1-Hebei Andu Technology Co.,Ltd.

Polyvinylpyrrolidone cross-linked CAS: 25249-54-1

Product Name: Polyvinylpyrrolidone cross-linked

CAS: 25249-54-1

MW:111.14176

MF:C6H9NO

Appearance: White Powder

Purity:95%min

Specification

Item	Specification	Results
Appearance	White powder	Complies
Identification A+B+C+D	Positive	Complies
Moisture %	≤5.0	2.89
Soluble components %	≤1.0	0.18
PH of 1% aqueous solution	5-7	6.18
Effectiveness of adsorption g/100g	>55	60
Loss on drying %	≤5.0	2.9
Heavy metals ppm	≤10	<10
Nitrogen %	11.0-12.8	11.98
Sulfate ash %	≤0.1	0.06
Peroxides (as H2O2) ppm	≤400	<400
Impurities A ppm	≤10	<10
Impurities B %	≤3	<3
Total aerobic plate count CFU/g	≤100	<100
Staphylococcus aureus CFU/g	Negative	Negative
Salmonella CFU/g	Negative	Negative
Pseudomonas aeruginosa CFU/g	Negative	Negative
E.coli CFU/g	Negative	Negative
Conclusion	The results conforms with enterprise standards

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