Perchlorate (ClO4-) Back Catalog number: 54164 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA10651000CY Bis-(2-chloroethoxy)-methane, 100 ng/µl, 1ml Price on request S-4072-05-10ME Sulfur Standard 1 Unit: 10mL screw cap bottle Chiron No. Matrix: Methanol Compound Concentration S-4072 Diethyl sulfide 0.5 ppm (w/w) Di-n-butyl sulfide 0.5 ppm (w/w) Price on request 50256 Sodium Nitrate as (NO3) Price on request