Beskrivelse
NANOCOLOR® Lead 5 Photometric determination of lead Photometric determination with 4-(2-pyridylazo)-resorcinol (PAR) In the presence of cyanide lead(II) ions react with 4-[pyridyl-(2)-azo]-resorcinol (PAR) to form a red dye. If interfering heavy metals are present, only the red lead complex is destroyed and the colour decrease is measured photometrically. Data and ordering information REF 985 009 Type tube test 0-09 Range 0.10 – 5.00 mg/l Pb2 Sufficient for 20 determinations Shelf life at least 1 year Sea water suitability no