pH 10.01 buffer solution (box of 25x20mL sachet)

Bromopropylate, 100µg/ml in Acetonitrile, 1ml

Sulfur, 50µg/g (0.0050 wt%) in Diesel Fuel, 100ml

Decachlorodiphenyl ether, 1.2ml x 50ug/ml, toluene