日本共立水质简易测定器WAK-CN氰化物测试剂使用方法

Cyanide (Free)
Model WAK- CN

By 4-Pyridinecarboxylic Acid color comparison Method
Main reagent: 4-Pyridinecarboxylic acid
Range: CN- ≤0.02 - 2 mg/L (ppm)

(1) Fill the vial up to the
first line (1.5 mL) with
sample. Add the
reagent of 1 small

(2) Put on the cap and
shake the vial 5 - 6
times.

(3) Remove the line
to clear the
aperture from
the top of the
tube.

(4) Press the sides of the tube
to expel approximately
half of volume. Maintain
pressed.

(5) Immerse the tube in
the sample. Release
the sides to fill the
tube up to the half.
Shake the tube
lightly 10 times.
Leave for 10 minutes
while waiting, shake
1-2 times.

(6) After 10 minutes,
put the tube on the
color chart as
shown and compare
with the standard
colors

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