Now showing items 1-10

2-(5-brom-2-pyridylazo)-5-diethylaminofenol (1)
2-(5-Brom-2-pyridylazo)-5-diethylaminophenol (1)
4-(2-pyridylazo)resorcin (1)
4-(2-pyridylazo)rezorcinol (1)
AAS (1)
cobalt (1)
kobalt (1)
UV-VIS spectrophotometry (1)
UV-VIS spektrofotometrie (1)
vitamin B12 (1)