EPA Method 8141/1657 Surrogate Standard Back Catalog number: 92357 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4212-20-100PE ISO 9377-2 Extraction Solvent Stock Solution I S-4212-20-100PE Units: 1x5mL, 5x5mL, 10x5mL extraction solvent stock solution 1x100ml and 5x100mL extraction solvent stock solution n-Decane 20 µL n-Tetracontane 20mg Pentane Add to Price on request 2377.10-K-IP 2-Naphthol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 135-19-3 Price on request 11630.24-K-ME Valsartan,1000 µg/mL,MeOH,1mL, Price on request