ISO 119:1977

Plastics — Phenol-formaldehyde mouldings — Determination of free phenols — Iodometric method

NORMA vydaná dňa 1.10.1977

Anglicky -
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Francúzsky -

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The information about the standard:

Designation standards: ISO 119:1977
Publication date standards: 1.10.1977
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: International technical standard
Kategória: Technické normy ISO

Annotation of standard text ISO 119:1977 :

Description / Abstract: A semiquantitative method for the determination of the amount of free phenols in phenolic mouldings. Hot water extraction of free phenols from a powdered test portion, iodination of the water extract and backtitration of the excess of iodine with standard volumetric thiosulfate solution.