4-n-Nonylphenol diethoxylate, 1000µg/ml in Isooctane, 1ml

Powder reagents for free chlorine (100 tests). Contains: 100 sachets

Sodium 1H,1H,2H,2H-perfluoro-1-[1,2-13C2]-hexane sulfonate (4:2), 50µg/ml in MeOH, 1,2ml

Styrene