4 статьи, с разных журналов

[Юлия_)]

Здраствуйте! Помогите, пожалуйста найти статьи:

1. Paul D. Boyer, ROBERT. SPITZER, CURTIS. JENSEN, PAUL H. PHILLIPS
Determination of Vitamin A and Carotene in Milk. A Rapid Extraction Procedure
Ind. Eng. Chem. Anal. Ed., 1944, 16 (2), pp 101–102
DOI:

DOI:

http://dx.doi.org/10.1021/i560126a010

2. MARY K. HEAD ELEANOR GIBBS
DETERMINATION OF VITAMIN A IN FOOD COMPOSITES BY HIGH SPEED LIQUID CHROMATOGRAPHY
Journal of Food Science
Volume 42 Issue 2, Pages 395 - 398
DOI:

DOI:

http://dx.doi.org/10.1111/j.1365-2621.1977.tb01507.x

3. M. Zahara and D.E. Smith
Vitamin A Quantification in Fluid Dairy Products: Rapid Method for Vitamin A Extraction for High Performance Liquid Chromatography
Journal of Dairy Science
Volume 73, Issue 12, December 1990, Pages 3402-3407
DOI:

DOI:

http://dx.doi.org/10.3168/jds.S0022-0302(90)79036-4

4. John McNeilla, Michael Hincksa and Yukio Kakuda
Effect of Sample Size and Concentration on High Performance Liquid Chromatographic Determination of Vitamin A in Skim Milk Powder
Journal of Dairy Science
Volume 73, Issue 7, July 1990, Pages 1690-1693
DOI:

DOI:

http://dx.doi.org/10.3168/jds.S0022-0302(90)78844-3

Заранее спасибо!

[kms]

2-я - WB, 3-я и 4-я - SD

1.zip

[Marxist]

1

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Спасибо!

[kms]

Плюс рано поставили, могут подумать, что уже все сделано.

[suprachemister]

2

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Спасибо!...