KS M ISO 7109:2002
Ammonia solution for industrial use－Determination of residue after evaporation at 105 ℃－Gravimetric method

Standard No.

KS M ISO 7109:2002

Release Date

2002

Published By

Korean Agency for Technology and Standards (KATS)

Status

Withdraw

Replace By

KS M ISO 7109:2017

Latest

KS M ISO 7109-2022

Scope

This standard covers mass spectrometry as a method for measuring the residual amount after evaporation from industrial ammonia solutions.

KS M ISO 7109:2002 history

• 2022 KS M ISO 7109-2022 Ammonia solution for industrial use — Determination of residue after evaporation at 105℃ — Gravimetric method
• 2017 KS M ISO 7109:2017 Ammonia solution for industrial use — Determination of residue after evaporation at 105℃ — Gravimetric method
• 2002 KS M ISO 7109:2002 Ammonia solution for industrial use－Determination of residue after evaporation at 105 ℃－Gravimetric method