DREW CWT TITRET TEST

CWT TITRET TEST

德鲁冷却水化验剂

0367012

CWT TITRET TEST PROCEDURE

SIZE:20*20*8CM

WEIGHT: 0.3KG/SET

1. Fill the sample cup to the 25-ml mark with sample (Fig. 1).

2.    Slide the open end of the valve assembly over the tapered tip of the Titret so that it its snugly to the reference line (Fig. 2).

3. Snap the tip of the Titret at the score mark (Fig. 3).

With the tip of the sample pipe immersed in the sample, squeeze the bead valve briely to pull in a small amount of sample. NOTE: Do not squeeze the bead valve unless the sample pipe is immersed below the surface of the liquid or the vacuum will be lost (Fig. 4).

5.   Rock the Titret to mix the contents. The irst addition of sample will pull in the reagent from the sample pipe. The contents of the ampoule will turn a GREEN color.

6. Continue to add sample until the liquid in the Titret turns from GREEN to a bright ORANGE. When the orange color appears the end point has been reached.  NOTE:    Immediately before the end point is reached the contents will turn BLUE. Make further additions with care. Stop test, hold the Titret with its tip pointed upward and read the scale opposite the liquid level (Fig. 5).

7.Refer to the chart below for dosage adjustments.