3-Nitrobenzofuran,100 µg/mL,toluene,1mL,

Powder reagents for phosphate (25 tests). Contains: 25 sachets

1,2,3,8,9-Pentachloro(13C12)dibenzofuran, 1.2mL x 50ug/mL, toluene

4-Hydroxyisophthalic acid (4-Hydroxybenzene-1,3-dicarboxylic acid), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 636-46-4