Test strips, Ag-Fix

Supplier: MACHEREY-NAGEL
MANA90741EA 28.3 EUR
MANA90741
Test strips, Ag-Fix
Environmental Test Kits
With these test strips two paper zones are sealed onto the lower end of a plastic strip, one for the determination of the silver concentration and one for pH measurement. After dipping the test strip in the test solution the colours of the test zones are compared with the colour scale on the tube.

  • Always ready to use: no accessories necessary for evaluation
  • Safe results: Desiccant in the stopper for optimal protection of the strips against humidity
  • The length of the strips has been chosen for safe and convenient handling

During operation of a fixing bath it is necessary to check the silver content as well as the pH in regular intervals to insure proper operation. A decrease in fixing capacity is noted as an increase in Silver concentration or an alteration of the pH value.

These strips allow a simultaneous semi quantitative determination of silver and the pH value in photographic solutions.

Colour reaction: Ag+: Ochreous to brown, pH : Yellow to blue
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