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Taylor K-1540
Taylor K-1141
Glycol Test Kit
  
Taylor K-1540
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Taylor K-1540

ChemWorld is a distributor of Taylor Technologies Test Kits and Reagents. Order directly online and save today. This product can be use to check the freeze point of propylene glycol and dowfrost.

Freezing Point Determination:

Ethylene Glycol Solutions
Propylene Glycol Solutions
Sodium Chloride Brines
Calcium Chloride Brines

COMPONENTS:
1 x 4016 Hydrometer, Specific Gravity, 1.000-1.070
1 x 4017 Hydrometer, Specific Gravity, 1.000-1.400
1 x 4018 Cylinder, Hydrometer, 200 mm
1 x 5062 Instruction.

PROCEDURE:

1. Rinse a clean hydrometer cylinder (#4018) with sample to be tested. Carefully fill the hydrometer cylinder by pouring sample down the inside wall of the hydrometer cylinder avoiding the formation of air bubbles in the sample. Place cylinder on a level surface.
2. Determine the temperature of the sample.
3. Select hydrometer to be used from the chart below.

Water Sample Hydrometer
Ethylene glycol solution 1.000-1.070 (#4016)
Propylene glycol solution 1.000-1.070 (#4016)
Calcium chloride brine 1.000-1.400 (#4017)
Sodium chloride brine 1.000-1.400 (#4017)

4. Place the hydrometer in the sample and allow it to float
5. Gently push the hydrometer down no more than 1/8". Release the hydrometer and allow it to rise and settle in the sample.
6. Read the hydrometer at eye level with the sample surface to determine the specific gravity of the sample. To do this, follow the procedure below: Begin with your eye below the level of the sample surface so that the surface appears as an ellipse. Slowly raise the line of sight until the sample surface becomes a straight line. (At this point your eye is level with the sample surface.) Read the hydrometer at the point where the line of the sample surface intersects the hydrometer stem.

NOTE: The hydrometer and sample should be at the same temperature before a reading is taken. Do not take a reading until the hydrometer and sample are at rest and free of air bubbles. The point where the sample actually touches the stem is not the correct reading. The correct reading corresponds to the plane of intersection of the sample surface and the hydrometer stem (see drawing). See printed instruction for drawing.

7. Using the temperature correction chart, adjust the hydometer reading to compensate for the temperature effect on the hydrometer as follows: Match the specific gravity value in the table closest to the hydrometer reading with the sample temperature. Divide the value from the table by 1000 to get the correction factor. Add the correction factor to the hydrometer reading and record the result as the specific gravity of the sample. For example, if the hydrometer reading is 1.100 and the sample temperature is 86 degrees F, the correction factor calculates to be 3.0/1000 or 0.003. The specific gravity of the sample is 1.100 + 0.003 or 1.103.

NOTE: For more exact values, interpolation between values can be performed.

8. Using the appropriate chart, match the specific gravity of the sample from Step 7 to the freezing point of the water.

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