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Johnson Products

Litmus Paper

Universal Indicator Paper

Comparator Paper

Narrow Range pH Paper

One of the most essential and widely used indicator papers

A quick and accurate method of measuring the pH of a solution

Similar to Universal Indicator Paper but with smaller pH increments

Used in very narrow pH ranges to give even more accurate pH readings

Detection & Indicator Papers

Starch and Potassium Iodide Paper
Detect the presence of oxidising agents
Silver Estimating Paper
Specially designed to estimate the quantity of silver in photographic fixtures
Lead Acetate Paper
Used to determine the presence of sulphide, commonly used in the gas industry
Humidity Indicator Paper
Provide a quantitative estimation of relative humidity
Water Finder Paper
Provide a clear, indicative method to detect water in non-miscible liquids
Cobalt Chloride
Used in the detection of moisture
Urichlor Paper
Provide a positive method of detecting by diagnostic examination of urine
Water Coolant EC64 Test Paper
Detect build up of acidity in cooling systems
Others
Include Starch Paper, Cadmium Sulphide Paper and Nioxime Paper
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