Hochreine Lösungsmittel & Hochreine Säuren

high purity solvents and acids code product unit so-1151-b040 acetonitrile picograde® for residue analysis un 1648 cas-nr 75-05-8 c2h3n assay 99.5 min water 0.02 max non-volatile matter 0.001 max 1 l 0.783 kg at 20°c specification gc/ecd in the gc-ecd chromatogram there are no interfering single signals in the retention time interval between 1,4-dichlorobenzene and decachlorobiphenyl by a 500-fold concentration greater than that given by 10 pg/ml heptachlor-epoxide gc/fid in the gc-fid chromatogram there are no interfering single signals in the retention time interval between n-octane c8 and n-tetracontane c40 by a 500-fold concentration greater than that given by 50 ng/ml n-undecane c11 4l ammonia solution hpa-0070-b010 ammonia solution for trace analysis glass bottle un 2672 assay 21 colour hazen 10 carbonate 10 ppm al 0.5 ppb as 0.1 ppb ba 0.1 ppb be 0.1 ppb bi 0.1 ppb cd 0.1 ppb ca 0.5 ppb cr 0.1 ppb co 0.1 ppb chloride 500 ppb phosp