EPA 1620 Standard 4 Back Catalog number: 52142 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2492.14-K-IO Mono-n-octyltriethyltin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16216-27-6 Price on request 673845 D9-Chlormequat Chloride, 100 µg/ml, Deuterium oxi Price on request S-4415-20-100PE ISO 9377-2MOD Extraction Solvent Stock Solution I 20ul of n-Heptane and 20mg of n-Tetracontane solved in 1000ml n-Pentane Price on request