Calcium Hardness Back Catalog number: 54143 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12008.9-100-ME 3-Methoxytyramine-d4 hydrochloride,100 µg base/mL,MeOH,1mL, Price on request 1448.15-K-IO 2,6-Di-tert-butyl-4-methylphenol (2,6-Bis(1,1-dimethylethyl)-4-methylphenol), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 128-37-0 Price on request S-4053-7,5K-TX5 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