Water quality analysis is crucial for various applications, including environmental monitoring, water treatment, and research. To ensure accurate and reliable results, high-quality testing kits are essential. The MACHEREY-NAGEL Colorimetric test kit VISOCOLOR ECO Alkalinity TA, available as a convenient refill pack from Vendart, offers a user-friendly solution for determining alkalinity in water samples. This blog delves into the features, benefits, and procedures of using this innovative test kit.
The Reagent Refill Pack: Convenience and Precision
The VISOCOLOR ECO Alkalinity TA test kit is designed to combine ease of use with high measurement safety. The refill pack contains all the necessary reagents and accessories to perform up to 100 tests. Here’s what you get:
- 23 mL TA-1: A reagent for initiating the alkalinity test.
- 2 x 50 NANOFIX TA-2: Additional reagents for completing the test.
- 1 Syringe (5 mL): For precise sample measurement.
- 1 Syringe (1 mL): For accurate reagent addition.
- 2 Tips for Syringe (1 mL): To facilitate the addition of reagents.
- 1 Instruction Leaflet: Detailed instructions for conducting the test.
Understanding Alkalinity Testing
Alkalinity, or acid capacity, refers to the ability of water to neutralize acids within a pH range up to 4.3. This capability arises from the presence of bases (such as hydroxide ions) and buffers (like carbonates and phosphates) in the water. The VISOCOLOR ECO Alkalinity TA test kit uses bromophenol blue as an indicator for photometric determination, making the process straightforward and reliable.
Measurement Range
- 0.4–17.5 °e
- 5–250 mg/L CaCO3
Step-by-Step Procedure
To achieve accurate results, follow these steps:
Required Equipment
- Test Tubes (16 mm OD): Recommended REF 91680
Testing Steps
Sample Preparation: Rinse the test tube several times with the test sample, then fill it with 5 mL of the sample using the 5 mL syringe.
Zero Measurement: Place the test tube in the photometer and measure the ZERO value.
Reagent Addition:
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- Add 0.2 mL of TA-1 using the 1 mL syringe with the syringe tip.
- Add 1 NANOFIX TA-2, close the test tube, and shake vigorously.
Final Measurement: Clean the outside of the test tube and measure after 2 minutes.
Post-Test Care: Rinse and close the test tubes after use.
For even more accurate results, the use of pipettes is recommended.
Measurement Instructions
Refer to the VISOCOLOR ECO test instructions specific to compact photometers (PF-3 / PF-12Plus) for detailed measurement procedures.
Safety and Disposal
Safety is paramount when handling chemical reagents. The box label and the safety data sheet (SDS) provide comprehensive safety information. You can download the SDS from MACHEREY-NAGEL’s website. Proper disposal of used samples is equally important, and instructions can be found in the SDS.
Storage Recommendations
To maintain the integrity of the reagents, store the test kit in a cool (below 25 °C) and dry place.
The MACHEREY-NAGEL Colorimetric test kit VISOCOLOR ECO Alkalinity TA refill pack from Vendart offers a reliable and straightforward solution for water alkalinity testing. Its ease of use, combined with high measurement safety, makes it an excellent choice for various applications. By following the provided procedures and safety guidelines, users can ensure precise and consistent results, making this test kit an invaluable tool for water quality analysis.
