Ca, 1000 µg/mL in 2% HNO3, 100ml Back Catalog number: 10009-1-100ML Availability: In the manufacturer's stock Price on request - + Recommended XE-2367-S 2,3,6,7-Tetrachloroxanthene , 1.2ml x 50ug/ml, toluene Price on request 70604 Cypermethrin, 1000µg/ml in Acetonitrile, 1ml Price on request 11774.12-100-IO 2,3,3',4,4',5,5',6-Octachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request