L-(+)-Ascorbic acid, certified, 0.25g

Custom mix of C0-C4 alkyl PAHs 1-Methylnaphthalene 0712.11 1,3-Dimethylnaphthalene 0722.12 2,3,5-Trimethylnaphthalene 0706.13 1,4,6,7-Tetramethylnaphthalene 0707.14 1-Methylfluorene 0350.14 1,7-Dimethylfluorene 0908.15 9-n-Propylfluorene 1694.16 Dib

Norwegian Standard (NS 9815) 16 Analytes, each 100 µg/mL in toluene; unit: 1,10,50x1mL 0816.14 Phenanthrene [85-01-8] 1049.14 Anthracene [120-12-7] 0260.16 Fluoranthene [2

1,8-Nonadiene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 4900-30-5