A stability study of an opacity standard.
Three procedures were adopted to increase the stability of the Chinese National Opacity Standard so that the change in opacity was within a range of +/- 5%.
Yi
X B
XB
National Institute for the Control of Pharmaceutical and Biological Products, Ministry of Health, Temple of Heaven, Bejing, China.
Xu
H L
HL
Qiao
L Y
LY
Xue
P
P
D001428:Bacterial Vaccines / Q000592:standards*; D002681:China; D005898:Glass / Q000592:standards*; D008027:Light; D009391:Nephelometry and Turbidimetry; D012015:Reference Standards; D012542:Scattering, Radiation; D013057:Spectrum Analysis; D013535:Suspensions
D001428:Bacterial Vaccines; D013535:Suspensions