共 33 条
[21]
DETERMINATION OF VITAMIN-A - CORRELATION OF IMPROVED SPECTROPHOTOMETRIC AND COLORIMETRIC METHODS WITH MULTIPLE-LEVEL BIOASSAYS
[J].
INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION,
1945, 17 (09)
:559-562
[22]
PARKER W. E., 1941, Canadian Journal of Research. Section B. Chemical Sciences, V19, P17
[23]
POLSKIN LJ, 1940, THESIS RUTGERS U
[24]
SANDELL E, 1946, FARM REVY, V45, P697
[25]
Slanetz Charles A., 1945, JOUR NUTRITION, V30, P239
[27]
ACTIVATED GLYCEROL DICHLOROHYDRIN - A NEW COLORIMETRIC REAGENT FOR VITAMIN-A
[J].
INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION,
1946, 18 (09)
:570-573
[28]
STERN MH, 1947, J AM CHEM SOC, V69, P689
[29]
THURMAN HB, 1940, Patent No. 2201062
[30]
1947, US PHARMACOPOEIA, V13, P718