SULFURIC ACID
95-97 %, puriss pa, for the determination of mercury, Reag. ACS, Reag. ISO, Reag. Ph. Eur.
Parameter Specification Units Result Unit
assay 95.0-97.0 % 96.2 %
residue on ignition max. 5 ppm <3 ppm
ammonium (NH4) max. 2 ppm <2 ppm
silver (Ag) max. 0.000002 % <0.000002 %
aluminium (Al) max. 0.000005 % <0.000005 %
arsenic (As) max. 0.01 ppm <0.01 ppm
barium (Ba) max. 0.000005 % <0.000005 %
beryllium (Be) max. 0.000001 % <0.000001 %
bismuth (Bi) max. 0.000005 % <0.000005 %
calcium (Ca) max. 0.00002 % <0.00002 %
cadmium (Cd) max. 0.000002 % <0.000002 %
cobalt (Co) max. 0.000001 % <0.000001 %
chromium (Cr) max. 0.000005 % <0.000005 %
copper (Cu) max. 0.000001 % <0.000001 %
iron (Fe) max. 0.1 ppm <0.1 ppm
germanium (Ge) max. 0.000005 % <0.000005 %
mercury (Hg) max. 0.005 ppm <0.005 ppm
potassium (K) max. 0.00001 % <0.00001 %
lithium (Li) max. 0.000001 % <0.000001 %
magnesium (Mg) max. 0.000005 % <0.000005 %
manganese (Mn) max. 0.000001 % <0.000001 %
molybdenum (Mo) max. 0.000002 % <0.000002 %
sodium (Na) max. 0.00005 % <0.00005 %
nickel (Ni) max. 0.000002 % <0.000002 %
lead (Pb) max. 0.000002 % <0.000002 %
strontium (Sr) max. 0.000002 % <0.000002 %