A Robust Static Headspace GC-FID Method to Detect and Quantify Formaldehyde Impurity in Pharmaceutical Excipients

Table 5

Formaldehyde level in the excipient samples.

Company	Excipient	Formaldehyde level (µg/g)
A	PVP K-30	ND^a
B	PVP K-30	ND^a
C	PVP K-30	3.51^b
D	PVP K-25	8.04
E	PEG 400	22.47
F	PEG 400	3.64^b
G	PEG 300	190.58

^aNot detected; ^bformaldehyde level < QL.