Acids Calibration Level 2 Back Catalog number: 94839 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673073 Doxepin hydrochloride, 100mg Price on request S-4053-40K-10T Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K Price on request 2911.17-100-ME Sodium p-n-undecylbenzenesulfonate, 100µg/mL in MeOH, 1ml Price on request