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Table 4 Validation of content determination

From: Development and validation of a headspace GC-MS method to evaluate the interconversion of impurities and the product quality of liquid hand sanitizers

 

Product A

Product B

Product C

Product D

Active ingredient

Ethanol

Ethanol

Isopropanol

Isopropanol

Determined content % (v/v)

80.6%

86.9%

84.4%

85.7%

Impurities above limit

Acetaldehyde 78 ppm

Acetaldehyde 177 ppm

None

None

Acetal 200 ppm