ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
Registr. No.: MK SR 9/7

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Determination of hydroxyl groups in alkali-lignin by methylation with dimethyl sulfate

J. Farkaš

Forschungsinstitut für Papier und Zellstoff in Bratislava

 

Abstract: Time and temp. of the reaction affect the results which, under certain conditions, attain a value close to complete methylation. For the detn. of OH groups in alkali-lignin, 3 times repeated 6-hr. methylation with dimethyl sulfate at 60° is recommended.

Full paper in Portable Document Format: 139a536.pdf (in Slovak)

 

Chemical Papers 13 (9) 536–540 (1959)

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