EM Quant® Nitrite Test, Catalog No. 10022
Test strips for the detection and
semi-quantitative determination of Nitrite ions
General
Agents containing high levels of nitrite are
used as corrosion inhibitors in the cooling systems of cars, trucks
and ships' engines. They are also found in the heat transfer media
used in solar powered systems.
The EM Quant® Nitrite Test is a
rapid, semi-quantitative method of determining nitrite in coolants in
the "out-of-laboratory" type of situation. Samples do not
need to be diluted or pre-treated. When testing is done on a regular
basis, the Nitrite Test can be used to maintain a nitrite level as
recommended by the manufacturer, therefore affording maximum
protection against corrosion.
Graduation
0 - 0.1 - 0.3 - 0.6 - 1 - 2- 3g/l NO2
Principle of the Method
Nitrite reacts with an aromatic amine to form an
orange-red azo dye.
Directions
- Immerse a test strip in the sample solution,
so that the reaction zone is thoroughly moistened.
-
- Remove the test strip,gently shake off
surplus moisture, wait 1 minute and compare the reaction zone with
the color scale.
-
Notes
Highly acidic or highly alkaline solutions must
be adjusted to pH 4-6 with dilute sodium hydroxide solution or
sulfuric acid.
Influence of Anions
The determination is not disturbed by less than
| 1000mg/l |
Br, BrO3,
Cl, ClO3, ClO4,
CN, F, I, NO3,
OCN, PO43, SCN
, SeO32, SO32,
SO42, S2O42,
S2O52 , WO42,
acetate, ascorbate, citrate, oxalate, succinate or tartrate. |
| 500mg/l |
EDTA, MnO4, CrO42,
Cr2O72, S2O42,
S2O52 |
| 100mg/l |
S |
Influence of Cations
The determination is not disturbed by less than
| 1000mg/l |
Ag+, Al3+, Ba2+,
Be2+, Ca2+, Cd2+, Ce2+,
Co2+, Cu2+, Cr3+, Mg2+,
Mn2+, Na+, Ni2+,NH4+,
Pb2+, Rb+, Sr2+,Ti4+,
Tl+, W6+, Zn2+ or Zr4+ |
| 500mg/l |
Fe2+/3+, Hg+/2+,
K+, V4+ |
| 100mg/l |
As4+, Bi4+, Sn2+,
Li+, Sb3+ |
Standard
Dissolve 1.5g of sodium nitrite in 100ml of distilled water
Package Size
10022 EM Quant® Pack of Nitrite Test 100 test strips
|
Purchase Nitrite Test Strips 0.1-3.0 g/l EM Quant (1 PK of 100)
Gallade Part#: 100221
Mfr Part#: 10022-1
Brand: EMD Chemicals EM Science
Container: 1 PK of 100 Strips
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