106
8.30. HYDRAZINE
SPECIFICATIONS
Range 0 to 400 µg/L (as N
2
H
4
)
Resolution 1 µg/L
Accuracy ±4% of full scale reading at 25 °C
Light Source LED with narrow band interference filter @ 466 nm
Method Adaptation of the ASTM Manual of Water and Environmental Technology,
method D1385, p‑Dimethylaminobenzaldehyde method.
REQUIRED REAGENT
Code Description Quantity
HI93704‑0 Hydrazine Reagent 24 drops
REAGENT SETS
HI93704‑01 Reagents for 100 tests
HI93704‑03 Reagents for 300 tests
For other accessories see page 200.
MEASUREMENT PROCEDURE
• Select the Hydrazine method using the procedure described in the
Method Selection section (see page 18).
• Fill cuvette (#1) with 10 mL of deionized water (up to the mark).
• Fill a second cuvette (#2) with 10 mL of unreacted sample
(up to the mark).
• Add 12 drops of the HI93704‑0 reagent
to each cuvette. Replace the caps and
shake gently to mix (about 30 seconds).
10 mL
# 2
10 mL
# 1
# 1
# 2
HYDRAZINE
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