Can the Chloride QuanTab® test strips be used in petroleum-based solutions?

Document ID

Document ID TE7616

Version

Version 4.0

Status

Status Published

Published Date

Published Date 04/16/2019
Question
Can the Chloride QuanTab® test strips be used in petroleum-based solutions?
Summary
Chloride QuanTab®test strips in petroleum-based solutions
Answer
In order to use the Chloride QuanTab® Test Strips, 30-600 mg/L (Product # 2744940) and the Chloride QuanTab® Test Strips, 300-6000 mg/L (Product # 2751340) to test petroleum-based solutions, use the following instructions:

1. Take a sample of water of at least 100 mL in a 200 mL beaker. Heated samples may react faster and form a more uniform peak with the QuanTab® titrators.
2. Place filter paper, folded into a cone-shaped cup, point first into the beaker. Filter the prepared aqueous solution.
3. Place the lower end of the QuanTab® into the filtrate (the solution which has seeped through the filter paper) being sure not to submerge the titrator more than 1.0 inch.
4. Thirty seconds after the moisture sensitive signal string at the top of the titrator turns dark blue, record the QuanTab® reading to the nearest 0.1 units on the titrator scaled at the tip of the yellow-white peak.
5. Convert the QuanTab® reading to percent sodium chloride (NaCl) or to ppm chloride (Cl-) using the calibration table located on the table.

Note: Each lot of Quantab® has been individually calibrated by the Hach Quality Assurance department, so it is important to use the correct calibration chart. The control number on the QuanTab® being used must match the control number on the bottle.

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