Turbidity Standard (1.0 NTU) Back Catalog number: 59290 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0858.27-100-IO C27 Ring-C Monoaromatic sterane (5ß(H),10ß(CH3)/5 alpha(H),10ß(CH3)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 98819-92-2 / 98819-91-1 Price on request S-4035-10K-10IO Diphenylsulfide in isooctane, Blank Units: 5x1mL ampoules Price on request 40001 EPA Method 601 - Purgeables Mix #1 Price on request