[dl-Camphor Reference Standard (Control 951) of the National Institute of Health Sciences].
The raw material of dl-camphor was examined for the preparation of the "dl-Camphor Reference Standard". Analytical data obtained are as follows: ultraviolet spectrum, lambda max = 290 nm; infrared spectrum, the same as that of the present JP Camphor Reference Standard; melting point, 179.6 degrees C; purity test by gas-chromatography (GC), three kinds of impurities were detected; assay by GC, 99.0%. Based on the above results, the candidate raw material was authorized as the JP Reference Standard (Control 951).
Kitajima
A
A
Maekawa
K
K
Yoshi
K
K
Komatsu
H
H
Tanimoto
T
T
Okada
S
S
D002164:Camphor / Q000032:analysis / Q000592:standards*; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D006077:Government Agencies; D007564:Japan; D010602:Pharmacopoeias as Topic / Q000592:standards; D012015:Reference Standards
D002164:Camphor