NP 57-1961
Essential oils. Measurement of correlation density

Standard No.

NP 57-1961

Release Date

1961

Published By

PT-IPQ

Status

Be replaced

Replace By

NP 57-1988

Latest

NP 57-1988

Scope

This standard is intended to establis the process of determining the relative density of essential oils.

NP 57-1961 history

• 1988 NP 57-1988 Essential oils Determination of relative density (reference method)
• 1961 NP 57-1961 Essential oils. Measurement of correlation density