BS 2782-4:Methods 451F to 451J:1978

Действует

Methods of testing plastics. Chemical properties, Determination of formaldehyde in phenolic mouldings (colorimetric method). Determination of formaldehyde in phenolic mouldings (gravimetric method). Determination of sulphates in phenolic mouldings. Determination of chlorides in phenolic mouldings — 8 стр.