TM 10-4610-232-12
a.
Model WTA-060 Chlorine Test Kit Procedures.
(1)
Low Range Available Chlorine. Use this test when checking raw water for chlorine.
(a)
Fill Flask (1) to the 40 ml mark with water to be tested.
(b)
Use clippers (2) to open one sulfite 1 reagent powder pillow (3). Add contents of pillow to flask. Swirl
the flask to mix.
(c)
Use clippers to open one sulfamic acid reagent powder pillow (4). Add contents of pillow to flask. Swirl
flask to mix. This is the prepared sample.
NOTE
A blue color will develop after the addition of the sulfamic acid if chlorine is present.
(d)
Pour off contents of flask until level just reaches the 30 ml mark on the flask.
CAUTION
DO NOT allow titrant (5) to stand in direct sunlight. Titrant decomposes in direct sunlight and cannot be
used if exposed.
(e)
Add Utrant (5) drop by drop to the flask using the eye dropper (6). Swirl flask constantly while adding the
drops and count each drop as it is added. Continue to add titrant until sample becomes colorless.
(f)
Each drop of titrant used to bring about color change is equal to 0.2 ppm chlorine.
(2)
Medium Range Available Chlorine. Use this test when checking product water for chlorine.
(a)
Fill flask (1) to the 40 ml mark with water to be tested.
(b)
Use clippers (2) to open one sulfite 1 reagent powder pillow (3). Add contents of pillow to flask. Swirl
the flask to mix.
(c)
Use clippers to open one sulfamic acid reagent powder pillow (4). Add contents of pillow to flask. Swirl
flask to mix. This is the prepared sample.
NOTE
A blue color will develop after the addition of the sulfamic acid if chlorine is present.
(d)
Fill plastic measuring tube (7) full level with prepared sample. Pour sample In square mixing bottle (8).
CAUTION
DO NOT allow titrant (5) to stand in direct sunlight. Titrant decomposes in direct sunlight and cannot be
used if exposed.
(e)
Add titrant (5) drop by drop to the flask using the eye dropper (6). Hold dropper vertically above the
bottle to add drops. Swirl flask constantly while adding the drops and count each drop as it is added. Continue to add
titrant until sample becomes colorless.
(f)
Each drop of titrant used to bring about color change is equal to 0.2 ppm chlorine.
(3)
Chlorine Kit Care.
(a)
Replace flask, mixing bottle or eye dropper if cracked or broken.
(b)
Replace sulfite 1 reagent, sulfamic acid reagent and titrant as needed.
Change 7 2-33
