A modified method for the spectrophotometric determination of vitamin A in margarine

The Analyst ◽  
1955 ◽  
Vol 80 (951) ◽  
pp. 429 ◽  
Author(s):  
J. W. Lord ◽  
P. M. Bradley
1954 ◽  
Vol 26 (9) ◽  
pp. 1406-1409 ◽  
Author(s):  
D. T. Ewing ◽  
T. D. Schlabach ◽  
M. J. Powell ◽  
J. W. Vaitkus ◽  
O. D. Bird

Nature ◽  
1945 ◽  
Vol 155 (3941) ◽  
pp. 575-576
Author(s):  
W. S. METCALF

1940 ◽  
Vol 12 (11) ◽  
pp. 639-644 ◽  
Author(s):  
D. T. Ewing ◽  
J. M. Vandenbelt ◽  
A. D. Emmett ◽  
O. D. Bird

The Analyst ◽  
1964 ◽  
Vol 89 (1061) ◽  
pp. 534 ◽  
Author(s):  
R. K. Barua ◽  
M. V. K. Rao

1973 ◽  
Vol 6 (12) ◽  
pp. 1029-1037
Author(s):  
F. Al-sulimany ◽  
Alan Townshend

1989 ◽  
Vol 7 (1) ◽  
pp. 39-43 ◽  
Author(s):  
Abdel-Aziz M. Wahbi ◽  
Mohammad A. Abounassif ◽  
Hussein M.G. Alkahtani

The Analyst ◽  
1943 ◽  
Vol 68 (802) ◽  
pp. 8 ◽  
Author(s):  
J. I. M. Jones ◽  
R. T. Haines

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