Ammonia as (NH4+) Back Catalog number: 50631 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-1234789-S 1,2,3,4,7,8,9-Heptachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request S-4406-200-2T PAH/Dibenzothiophenes Mixture 20 Analytes, each 200 µg/mL in toluene; units: 1x1mL, 1x2mL Prod.no. Compound CAS No. 0712,11 1-Methylnaphthalene [90-12-0] 0713,11 2-Methylnaphthalene [91-57-6] 0725,12 1,6-Dimethylnaphthalene [575-43-9] 0706,13 2,3,5 Price on request 56052 Tellurium (Te) Price on request