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Table 6 Validation of spike recovery assay for level 2 impurities using concentration at 100% of the temporary guidance limits

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
	Spike mixture 100%	Spike mixture 100%	Spike mixture 100%	Spike mixture 100%
1-Propanol	114	113	108	104
1-Butanol	112	111	105	102
Ethyl Acetate	111	110	102	99
3-Methyl-1-Butanol	109	108	105	104
Amyl Alcohol	107	108	104	102
Acetone	104	101	99	98
2-Butanol	113	112	105	102
Isobutanol	112	110	103	100

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