MSDS (Material Safety Data Sheet)
Certain quaternary ammonium compounds react with an indicator, the color of which changes from yellow-green to turquoise-blue. The concentration of the quaternary ammonium compounds is measured semiquantitatively by visual comparison of the reaction zone of the analytical test strip with the fields of a color scale.
| Measuring Range/Color Scale Graduation | Number of Determinations |
| 10 - 25 - 50 - 100 - 250 - 500 mg/l (as benzalkonium chloride) |
100 |
Sample Material:
Disinfectant and rinsing solutions (clinical sector, private medical laboratories, food technologies)
Cleansing agents
Leveling agents (printers, dyers)
This test measures the quaternary ammonium compounds usually present in these sample materials, in other words, e.g., alkylbenzyldimethylammonium chloride (benzalkonium chloride), cetyltrimethylammonium bromide (CTAB), hexadecylpyridinium chloride, dodecyltrimethylammonium bromide (lauryltrimethylammonium bromide, LTAB), octadecyltrimethylammonium chloride.
Protein concentrations lower than 1g/l do not interfere with the determination.
| The analytical test strips are stable at least up to the date stated on the pack when stored in the closed tube at +15 to +25°C. |
Package Contents:
Tube containing 100 analytical test strips
Other Reagents:
Alkylbenzyldimethylammonium chloride (benzalkonium chloride), Cat. No. AX0528.
Samples with a content of quaternary ammonium compounds higher than 500mg/l must be diluted with distilled water.
| Immerse the reaction zone of the analytical test strip in the measurement solution for approximately 2 seconds. Shake off excess liquid from the test strip and after 60 seconds determine with which color field on the label the color coincides most exactly. Read off the corresponding concentration value in mg/l. If an exact color match cannot be achieved, estimate an intermediate value. |
Notes on the Measurement:
To check analytical test strips, reagents, and handling:
Dissolve 100mg of alkylbenzyldimethylammonium chloride in distilled water, make up to 1000ml with distilled water and mix. Content: 100mg/l. Analyze this standard solution as described in section 7.
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