CO2Ka'idodin Kasa da Kasa (ISO 5923—84, wuta kashewa wakili) da aka tsara,CO2concentration ba kasa da99.5% na girma, ruwaabun ciki ƙasa da0.01% na nauyi, ma'adinai man fetur kasa da5mg/kg. Ruwa a wasu manyan masana'antu kasasheCO2Alamar samfurindaidaitattun, kamar Japan misali (JIS K1106—78Tsohon Soviet Union (GOST) 8050—76), Ingila ka'idoji（BS 4105—76(da kuma Romanian ka'idoji)STAS 2962—76) da dai sauransu, an tsara amfani daban-daban daidaiCO2Zui ƙasaCO2Abubuwan da ke ciki. Gabaɗaya, walda amfaniCO2Zui ƙasaCO2abun ciki ne99.5% da yawa. AbinciƘaraCO2The daidaitawa range ne98.8～99.8% da yawa. Karfe Casting gaCO2The tsabtace bukatun ba high, aYawancin96～99%(Ƙididdiga). A fannoni kamar lantarki masana'antu da kimiyya bincike, bukatar amfani da high tsabtace carbon dioxide, a ƙarƙashinTeburin da aka lissafaCIG、Linde、Matheson、ScottdaLiquid Air Corp.A daban-daban high tsabtace matakin kwalba carbon dioxide ingancin fasaha nuna alama da sauran kasashen waje gas kamfanoni.

China a kan biyu CategoriesCO2An tsara ka'idoji, a category ne masana'antu matakin CO2 ka'idoji, dace da sinadarai masana'antu, walda, castingAbubuwan da aka yi amfani da su don nau'i, sanyaya da sauran dalilai, suna da shawarar ƙa'idodi. Wani nau'i shine CO2 ka'idodin abinci additive matakin, wajibi neƘididdigar ƙasa, amfani da biyu ruwa carbon dioxide kayayyakin da aka samar daga fermentation gas da kuma lime tanda gas ko ammonia factory gasbenzin,Abubuwan da ke dauke da oxygen, vinyl chloride

1、 Abinci Grade CO2 Chromatography Mai bincikedagakayan aiki yanayi

kayan aiki:GC9560Gas chromatography, Hydrogen wuta Ionization Mai ganowa (FID), cika shafi sampler, capillary sampler, analyzer da kuma mayar da hankali na'urar

Tsarin bincike:PEG20Mφ3×4m，FFAP 0.53 mm×50m

Column zafin jiki:50℃ Sampler zafin jiki:160℃FIDzazzabi:220℃

2、Abinci Grade CO2 Chromatography Mai bincikedagaaiki

Samun daidai tare da alluga2mlStandard gas a carbon dioxide, allura sampler, gano ta hanyar bincike ginshike ta hanyar mai ganowa, ta hanyarTashar aikin chromatography ta hanyar hanyar waje don neman mafi kyawun abubuwa; Sa'an nan kuma daidai samfurin gas2mlInject samfurin bincike da launiSpectrum tashar aiki bayar da samfurin gas abun ciki. Idan matattarar ƙananan, za a iya samun samfurin ta hanyar ƙididdigar ƙididdiga, kuma za a iya sha samfurin ta hanyar ruwa.

3、Hanyar ƙididdiga

Ta amfani da misali gas da aka sani da yawa, quantified ta hanyar Outer Standards

Ci＝Cs×Ai/As

Tsarin:Ci—Abubuwan da ke cikin samfurin gas;

Cs—Taro na misali gas abubuwa;

Ai—peak yankin na bangarorin a cikin samfurin gas;

As—peak yankin na misali gas bangare;