NP 156-1958
Refined oil. Phenol products

Standard No.

NP 156-1958

Release Date

1958

Published By

PT-IPQ

Latest

NP 156-1958

Scope

This standard is intended to establis the general process for determining the volume content of liquid essential oils in phenols. The content is expressed as a percentage.

NP 156-1958 history

• 1958 NP 156-1958 Refined oil. Phenol products