An indicator reagent used with a test kit to determine the amount of chlorine in the water.
orthotolidine. And outdated indicator solution that was used to measure the total chlorine residual.
An chemical used to determine the amount of chlorine in pool water.
Orthotolidine is a reagent used with your test kit in determining the amount of chlorine residual in the water. A yellow color develops when chlorine is present.
A liquid test readent used to determine total chlorine. (See also DPD).
Orthotolidne reagent used to test for total chlorine in water. Doesn't measure free available chlorine.
Another method of testing for free available chlorine levels in your pool, as in an OTO test kit.
A common chlorine or bromine test using color change as an indicator. This test will not separate free available chlorine from combined chlorine.
The abbreviation for rtho To lidine. A chemical reagent used to test the total chlorine level in water at normal temperatures. It can measure free available chlorine if the water is first cooled to 1°C. Its results depend on pH, time and concentration of chlorine. Due to its toxicity, the use of OTO is restricted or prohibited in many western countries.
Orthotolidine. A colorless reagent that reacts with chlorine to produce a series of light yellow to deep orange colors which indicate the amount of chlorine in the water. Only measures total chlorine. Overstabilization The build-up of cyanuric acid in swimming pool water, which usually results from the extended use of stabilized chlorinators in conjunction with stabilized shock products.