QUANTOFIX® test strips meet all requirements of a modern rapid test. The colour of the reactive pad changes depending on the concentration of an analyte in the sample. The evaluation is usually carried out visually by comparison of the reaction colour with a multi-stage colour scale. The test strips are intended for single use, maintenance or calibration are not required.
- Results within seconds: Just dip, wait and read against multi-stage colour scale
- Always ready to use: No accessories necessary for evaluation
- Safe results: Desiccant in the stopper for optimal protection of the strips against humidity
Citric acid is present in trace amounts in citrus fruits and added to food as a preserving component, flavoring and antioxidant. It is also used in cleaners (removes hard chalky deposits, in coffee machines and boilers) and pharmaceuticals. Range of application for these strips are especially in the food- and beverage industries. Total acid test strips can be evaluated both visually and reflectometrically with the QUANTOFIX® Relax.
Gradation visual: 0 · 2.0 · 2.5 · 3.0 · 3.5 · 4.0 · 5.0 g/l citric acid
Gradation reflectromeric: 2.0 - 5.0 g/l citric acid