$1.00
FOR DETERMINATION OF
Fluoride, hydrofluoric acid (F–, HF)
RANGE/SENSITIVITY
20 mg/L F–
NUMBER OF TESTS
200
TEST METHOD
Test Strips & Papers
MANUFACTURER
Macherey-Nagel
ORDER CODE
90750
Description
Fluoride Test Paper allows the fast detection of fluoride ions in solutions containing hydrochlorid acid. It is suitable for the safe and easy detection of dangerous hydrofluoric acid, which is used for example in computer chip production.
Directions for use
Apply a drop of the hydrochloric acid solution (pH <1) to the test paper. The dropping point coloured yellowish-pink. High concentrations of fluorides are indicated by the appearance of a yellowish-white spot, lesser amounts by a yellowish-white ring. The reaction must be determined immediately after the application of the test solution.
Store in a cool, dry place. Avoid exposure to sunlight and moisture.
