Caffeic acid, >98%, 20mg

Reagent kit for 100 tests (Free & total chlorine) Contains: 1 x 20 mL DPD1, 1 x 20mL DPD2, 1 x 20mL DPD3

EPA Method 200.8 - Analytes

Organotin Standard Mixture 4 - Tin Ethyl Derivatives 5x1mL 1000 µg/mL in isooctan1 (based on total mass) Mono-n-butyltin (triethyl) Di-n-butyltin (diethyl) Tri-n-butyltin (monoethyl) Monophenyltin (triethyl) Diphenyltin (diethyl) Triphenyltin (mono