Hexavalent Chromium (Cr +6)

NitroPAH Mix of Seven C14-C18, 7 comp., 100ug/mL in Toluene, 1ml

Metazachlor ESA sodium salt-d6, 100µg/ml in MeOH, 1ml

Custom Mixture of phenol ethoxylates 2044.15 4-Nonylphenol (isomer mix) 100µg/mL 1833.17 4-Nonoylphenol monoethoxylate (isomer mix) 100µg/mL 1832.17 4-Nonoylphenol diethoxylate (isomer mix) 100µg/mL 1976.21 4-Nonoylphenol triethoxylate (isomer mix)