Ntau tshaj 30 lub cim qhia xim, suav nrog pt-co, Gardner, Saybolt, Tuam Tshoj, Tebchaws Meskas, European Pharmacopoeia cov qauv
Kev ntsuas xoom ntse ua kom muaj kev ntsuas tseeb ntawm △E * ab≤0.015
Qhov ntxiv kua tsawg kawg nkaus yog txo rau 1ml, 10mm thiab 50mm cuvetteyog tus qauv, thiab 33mm thiab 100mm cuvetkojyog xaiv tau
Kev ntsuas ceev, thiab kev ntsuas ib zaug tsuas yog siv sijhawm 1.5 vib nas this xwb
Lub vijtsam kov 7-nti ua rau lub cuab yeej siv tau yooj yim duathiab lub cuab yeej tuaj yeem khaws ntau dua 100,000 daim ntaub ntawv
