Lovibond Tintometer MD 100 Manual De Instrucciones página 57

Iron T
0.02 - 1 mg/l Fe
Ferrozine / Thioglycolate
Material
EN
Required material (partly optional):
Reagents
Iron II LR (Fe
Iron II LR (Fe
Iron LR (Fe
2+
Iron LR (Fe
2+
Preparation
1. Water that has been treated with organic compounds such as corrosion inhibitors,
must be oxidised where necessary to break down the iron complex. 1 ml of
concentrated Sulphuric acid (≥ 95 %) and 1 ml concentrated Nitric acid (≥ 65 %) is
therefore added to to 100 ml water sample and boiled down to approximately half the
volume. After cooling down, the digestion procedure is continued.
Notes
1. This method is for the determination of total dissolved Fe
2. For the determination of Fe
is used.
58
Iron T / M220
)
2+
)
2+
und Fe )
3+
und Fe )
3+
, the IRON (II) LR Tablet, instead of the IRON LR Tablet
2+
Packaging Unit
Tablet / 100
Tablet / 250
Tablet / 100
Tablet / 250
and Fe .
2+ 3+
EN Method Reference Book 1.0
M220
FE
Part Number
515420BT
515421BT
515370BT
515371BT