Taylor K-1201

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SLIDE(TM) COMPARATORS: 9084 (0, 0.1, 0.15, 0.2, 0.3, 0.4, 0.6, 0.8, 1.0 ppm) 9085 (0.1, 0.2, 0.4, 0.6, 0.8, 1.0, 2.0, 3.0, 4.0 ppm) 9086 (0.2, 0.4, 0.6, 0.8, 1.0, 1.4, 1.8, 2.2, 3.0 ppm)

REAGENT: R-0600 Orthotolidine*

APPARATUS: 3 x 3243 Caps, Test Cell 11.5 mL, plastic 3 x 4024 Test Cells, Calibrated 11.5 mL, plastic 1 x 4030 Pipet, Calibrated 0.5 & 1.0 mL, plastic w/cap 1 x 5155 Instruction 1 x 6002 Brush, Cell Cleaner 1 x 9189 Base, Enslow (for test cells)

1. Rinse and fill three 11.5 mL test cells (#4024) to 11.5 mL mark with water to be tested.
2. Wipe dry and place in three center slots of comparator base (#9189) WITH FROSTED SIDE FACING OPERATOR.
3. Using a 1.0 mL pipet (#4030), add 0.5 mL R-0600 Orthotolidine* to center test cell. Cap and mix.
4. Wipe dry and place in center slot of comparator base.
5. Place Slide on comparator base. Match color in center test cell with a color standard. The Slide is in proper alignment for a color match when a white line on the Slide is directly above the white line on the comparator base. Record as parts per million (ppm) chlorine.

NOTE: If sample color matches or is deeper than highest color standard: Use a chlorine Slide with a higher range.

*WARNING: Orthotolidine (R-0600) contains 6.6% hydrochloric acid, a corrosive acid, and 0.1% orthotolidine, a suspected carcinogen.