Can the Chloride Quantab® test strips be used to measure salt in fish?

Document ID

Document ID TE6987

Published Date

Published Date 09/20/2018
Can the Chloride Quantab® test strips be used to measure salt in fish?
Chloride Quantab® for salt in fish
The Chloride QuanTab® Test Strips, 30-600 mg/L (Product # 2744940) and the Chloride QuanTab® Test Strips, 300-600 mg/L (Product # 2751340) can be used to test salt in fish by using the following instructions:

1. Add 90 mL of boiling distilled water to 10g of ground fish in a 200mL beaker.
2. Stir vigorously for 30 seconds, wait one minute, stir again for 30 seconds.
3. Place filter paper, folded into a cone-shaped cup, point first into the beaker. Filter the prepared aqueous solution.
4. 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.
5. 30 seconds after the moisture sensitive signal string at the top of the titrator turns dark blue, record the Quantab® readign to the nearest 0.1 units on the titrator scaled at the tip of the yellow-white peak.
6. 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 our QA department.
7. Multiply the result by the dilution factor of 10 to obtain the actual salt concentration in the sample.

Please see the attached document for additional information.

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