All articles by Olaf R. Brękkan

4 articles

Articles in volume 11 (1957)

The Ultraviolet Spectrum of Vitamin A2.

Lambertsen, Georg; Brękkan, Olaf R.

Pages: 575-576.

DOI number: 10.3891/acta.chem.scand.11-0575
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Articles in volume 12 (1958)

The Losses of Vitamin A during Chromatography.

Lambertsen, Georg; Brękkan, Olaf R.

Pages: 360-361.

DOI number: 10.3891/acta.chem.scand.12-0360
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Articles in volume 14 (1960)

The Effect of Acetone Treatment on Vitamin A1-Aldehyde Extracts from Herring Roe.

Brękkan, Olaf R.; Myklestad, Hakon; Njaa, Leif Rein

Pages: 779-782.

DOI number: 10.3891/acta.chem.scand.14-0779
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Articles in volume 23 (1969)

In vivo Conversion of Vitamin A1 to Vitamin A2.

Lambertsen, Georg; Brękkan, Olaf R.

Pages: 1063-1064.

DOI number: 10.3891/acta.chem.scand.23-1063
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