Calibration Std. #1 Back Catalog number: 59892X Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4422-40-4.5PE ISO 9377-2 MOD Extraction Solvent Stock Solution II 40µg/mL of each Units: 1x100mL and 5x100mL extraction solvent stock solution n-Heptane 40mg n-Tetracontane 40mg Pentane Add to 1000mL Price on request 59103 Chloride (Cl-) Price on request 57050 Tin (Sn), 1000µg/ml in in 2%-HNO3 / 6%-HCl, 100ml Price on request