ISO 17091 pdf download Workplace air — Determination of lithium hydroxide, sodium hydroxide, potassium hydroxide and calcium dihydroxide — Method by measurement of corresponding cations by suppressed ion chromatography Scope This International Standard specifies a method for the determination ofthe time-weighted average massconcentration oflithium hydroxide (LiOH), sodium hydroxide (Na0H), potassium hydroxide (KOH),andcalcium dihydroxide (Ca(OH)2] in workplace air by collection of...