QC Standard 2 Back Catalog number: 53085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51121 Linearity Check Mix ASTM D-5134 Price on request 72244 Ranitidine, 1000µg/mL in MeOH, 1ml Price on request 95842 1,2,4-Butanetriol, 1mg/ml in pyridine, 5 x 20ml Price on request