I-HPPC vs. GC-Nks: Yeyiphi indlela omele ukhetha?
Xa uthatha isigqibo phakathi kwe-chromatography ephezulu ye-chromatography (HPLC) kunye ne-chromatography ye-chromatometry (GC-MS), kubalulekile ukuba uqonde amandla kunye nokusetyenziswa kwendlela nganye. Nalu umbono ohlukileyo wokukunceda wenze ukhetho olunolwazi.
Umahluko ophambili
Isigaba sefowuni:
I-HPPC isebenzisa iSigaba seNgcombolola yoLwandle, siyenza ilungele uluhlu olubanzi lwezinto ezihlanganisiweyo, kubandakanya izinto ezingezizo ezingezizo eziguqukayo.
I-GC-NS isebenzisa isigaba se-Gaseous, ilungele imiqathango eguqukayo enokuthi iphumle ngaphandle kwengqondo.
Iindidi zeesampulu:
I-HPLC ye-hiplc iguquguqukayo, ekwaziyo ukuhlalutya amayeza, amacandelo okutya, nakwiibimolecules.
I-GC-ms igqwesa ekuhlalutyeni iziko lezinto eziphilayo (VOCs), i-hydrocarbons, kunye neesampulu zokusingqongileyo.
Iimeko zobushushu:
I-HPLC isebenza kumaqondo aphezulu okanye amaqondo obushushu kancinci, agcine i-computer enobuthathaka.
I-GC-MS ifuna ubushushu obuphezulu (ihlala ijikeleze i-150 ° C) ukuqinisekisa ukuqhuma kwesampulu.
Iindlela zokufumanisa:
I-HPPC iqhele isebenzisa iindlela zokuchonga ezingabalulekanga njenge-UV \ / i-vis spectrascopy.
I-GC-NS idibanisa i-chromatography yegesi kunye ne-spectrometry yesazisi sokuchongwa okuneenkcukacha kunye nokuxabana.
Ukusebenza kweendleko:
Ngokubanzi, i-GC-MS ineendleko ezisebenzayo ngenxa yeendleko eziphantsi zokusebenza ezinxulumene nerhasi xa kuthelekiswa ne-SOSOSE efunekayo kwi-HLLC.
Izicelo
Sebenzisa i-HPLC:
Ukuhlalutya umxube onobunzima kwi-PHMACETICACS kunye neeSayensi zokutya.
Ukuphanda ii-biomolecules kunye nezinto ze-labile.
Khetha i-GC-Nk xa:
Ukusebenza kunye neengxowa-mali eziguquguqukayo kuhlalutyo lokusingqongileyo okanye amashishini amapetrochemical.
Uhlalutyo oluneenkcukacha olusebenzayo luyimfuneko ukuze kuchongwe.