Heptane, alkanes mixture for analysis

Heptane, alkanes mixture for analysis
Content: 2,5 LTR
Physical Description:
liquid
Quality Name: for analysis
Specification: Density 20/4: 0.685-0.720

?maximum limit of impurities:
Acidity: 0.0003 meq/g
Non-volatile matter: 0.001 %
Darkened substances by H2SO4: passes test
Sulfur compounds (as S): 0.005 %
Thiophene: passes test
Water (H2O): 0.01 %
Ca: 0.00005 %
Cd: 0.000005 %
Co: 0.000002 %
Cr: 0.000002 %
Cu: 0.000002 %
Fe: 0.00001 %
Mg: 0.00001 %
Mn: 0.000002 %
Ni: 0.000002 %
Pb: 0.00001 %
Zn: 0.00001 %