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Determination the Content of Collagen in Collagen Dressing by Colorimetry

ZHANG Cheng 1 YANG Hai-yan 2 1 Shanxi Center for Medical Devices Testing(Xi’an 710061) 2 Shaanxi Provincial Institute for Food And Drug Control(Xi’an 710061)  
Objective: Testing the content of collagen in Collagen Dressing.Method: Colorimetry has been adopt,the determining wavelength was 540nm.Results: It indicates that a good linear relationship when collagen is in the range of 0.2 mg/ml~2.0 mg/ml,=0.0368-0.0078 r=0.9908(n=6).The average recovery is 95.8%.RSD is 2.3%.Conclusion: The method is an accurate and reliable method for detection the content of collagen in Collagen Dressing.
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