NP 91-1956
Essential oils. related sampling

Standard No.

NP 91-1956

Release Date

1956

Published By

PT-IPQ

Status

Be replaced

Replace By

NP 91-1988

Latest

NP 91-1988

Scope

This standard establis es the general rules for collecting essential oil samples.

NP 91-1956 history

• 1988 NP 91-1988 Essential oils Sampling
• 1956 NP 91-1956 Essential oils. related sampling