1. Ga irin iskar gas ɗin da aka sha (adsorbate) a cikin kowace sha, ƙarancin zafin jiki, matsin lamba mafi girma da kuma ƙarfin sha mai yawa

2. idan shan ruwa ya kasance daidai; in ba haka ba, zafin jiki mafi girma, ƙarancin matsin lamba da ƙaramin ƙarfin sha.

Zafin jiki ba ya canzawa, bushewar jiki tare da rage matsin lamba (famfon injin) ko kuma ƙarƙashin matsin lamba na yau da kullun ana kiransa juyawar matsin lamba

shawa (PSA) idan shawa ta shiga ƙarƙashin matsi.

3. Kamar yadda aka nuna a sama, girman shakar iskar oxygen da nitrogen ta hanyar sieve na ƙwayoyin carbon ya bambanta sosai. Ana iya amfani da nitrogen da oxygen

An raba shi saboda bambancin girman shakar iskar oxygen da nitrogen daga iska a ƙarƙashin wani matsin lamba. Lokacin da matsin ya tashi,

sieve na ƙwayoyin carbon yana shaƙar iskar oxygen kuma yana samar da nitrogen; lokacin da matsin lamba ya koma daidai, sieve yana cire iskar oxygen da

yana sake samar da nitrogen. Yawanci, injin samar da nitrogen na PSA yana da masu sha biyu, ɗaya daga cikinsu yana sha iskar oxygen kuma yana samar da nitrogen,

ɗayan kuma yana cire iskar oxygen ya sake samar da nitrogen. Ta wannan hanyar, ana samar da nitrogen akai-akai.