PHOTOELECTRIC SPECTROPHOTOMETRY APPLIED TO THE ANALYSIS OF MIXTURES, AND VITAMIN-A OILS

[1] Crystalline vitamin A palmitate and vitamin A alcohol [J]. SCIENCE, 1940, 92 (2383) : 203 - 204

[2] HUME E. M., 1937, Nature, V139, P467, DOI 10.1038/139467a0

[3] Estimation of vitamin A [J]. NATURE, 1939, 143 : 22 - 23

[4] Estimation of vitamin A [J]. NATURE, 1943, 151 : 535 - 536

[5] HUME EM, 1935, MED RES COUNCIL SPEC, V202

[6] A statistical examination of the accuracy of vitamin A assays - An analysis of three co-operative experiments designed to ascertain the value of the conversion factor for transforming spectrophotometric values into international units [J]. JOURNAL OF HYGIENE, 1944, 43 (05): : 291 - 314

[7] MAYNEORD WV, 1935, P ROY SOC A, V152, P298

[8] A NEW VITAMIN-A [J]. NATURE, 1945, 155 (3932) : 300 - 300

[9] TWYMAN F, 1934, PRACTICE SPECTROPHOT

[10] ZSCHEILE F. P., 1942, Industrial and Engineering Chemistry. Analytical edition, V14, P422, DOI 10.1021/i560105a014

[1] Crystalline vitamin A palmitate and vitamin A alcohol [J]. SCIENCE, 1940, 92 (2383) : 203 - 204

[2] HUME E. M., 1937, Nature, V139, P467, DOI 10.1038/139467a0

[3] Estimation of vitamin A [J]. NATURE, 1939, 143 : 22 - 23

[4] Estimation of vitamin A [J]. NATURE, 1943, 151 : 535 - 536

[5] HUME EM, 1935, MED RES COUNCIL SPEC, V202

[6] A statistical examination of the accuracy of vitamin A assays - An analysis of three co-operative experiments designed to ascertain the value of the conversion factor for transforming spectrophotometric values into international units [J]. JOURNAL OF HYGIENE, 1944, 43 (05): : 291 - 314

[7] MAYNEORD WV, 1935, P ROY SOC A, V152, P298

[8] A NEW VITAMIN-A [J]. NATURE, 1945, 155 (3932) : 300 - 300

[9] TWYMAN F, 1934, PRACTICE SPECTROPHOT

[10] ZSCHEILE F. P., 1942, Industrial and Engineering Chemistry. Analytical edition, V14, P422, DOI 10.1021/i560105a014