CLP Calibration Std. I Back Catalog number: 52149 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51126 Petroleum Waxes Internal Standard ASTM D-5442 Price on request 51064 ASTM D-4815 Calibration Mix #1 Price on request 70410 4,4’-Methylene bis(2-chloroaniline) Price on request