Filter sample solution
through a membrane
filter with 0.45 µm pore
size.
Notes:
Filtered sample =
true color.
Unfiltered sample =
apparent color.
Transfer the solution
into the cell.
Place the cell into the
cell compartment, select
method no. 179, 180, or
181.
Color Hazen
(Platinum-Cobalt Standard Method)
analogous to APHA 2120B, DIN EN ISO 6271-2, Water Research Vol. 30, No. 11, 2771-2775, 11996
Release 06/2014 - Spectroquant
®
UV/VIS Spectrophotometer Pharo 300
Quality assurance:
To check the measurement system (measurement device,
handling) ready-for-use Platinum Cobalt Color Ref
erence
Solution (Hazen 500) Certipur
®
, Cat.No. 100246, concentra-
tion 500 mg/l Pt, can be used.
Measuring 1-1000 mg/l Pt/Co 1-1000 mg/l Pt 1 -1000 Hazen 1- 1000 CU 445 nm 50-mm cell Method No. 179
range: 1-1000 mg/l Pt/Co 1-1000 mg/l Pt 1 -1000 Hazen 1- 1000 CU 455 nm 50-mm cell Method No. 180
1-1000 mg/l Pt/Co 1-1000 mg/l Pt 1-1000 Hazen 1 - 1000 CU 465 nm 50-mm cell Method No. 181