Supplier Page from Aladdin Scientific Corporation for α-HCH Standard
Four anions mixed standard(Fluorine, Chlorine, Nitrate Nitrogen and Sulfate) from Aladdin Scientific Corporation
Standard Mixture of n-Paraffins (consists of C21, C22, C23, C24 and C25) [Standard Material for GC] from Aladdin Scientific Corporation
Viscosity Standards expressed in cSt from Aladdin Scientific Corporation
Water quality permanganate index standard from Aladdin Scientific Corporation