Provides rapid determination of pH values. Whatman™ pH Indicators are impregnated with a mixture of several indicators that change color when they come in contact with a particular sample solution.

For use SC450 Chlorine and pH colorimeter, MC500 colorimeter and SP600 spectrophotometer

Premeasured unit dose DPD reagents for water quality testing

For use with SC450 Chlorine and pH colorimeter, MC500 colorimeter and SP600 spectrophotometer

Premeasured unit dose DPD reagents for water quality testing

For use with SC450 Chlorine and pH colorimeter, MC500 colorimeter and SP600 spectrophotometer

For water quality testing

Used for rapid determination of pH values

Assumes a color specific to sample pH upon contact with a sample. Whatman™ Acid/alkali Test Papers are impregnated with a mixture of pH indicators.

Used for rapid determination of pH values

Combines ease-of-use with accuracy and consistency for determination of the neutralization point in weak acid/strong alkali reactions.

Impregnated with a mixture of pH indicators, acid-alkali litmus papers assume a color specific to sample pH upon contact with a sample. Whatman™ Litmus Blue Test Paper provides rapid determination of pH values and has a variety of applications in laboratories and industry.

Book, starch iodide.

Provides an extremely clear and accurate visual pH value using four different segments of dye-impregnated indicator papers. Whatman™ pH Indicator Papers, CF Strips use dyes that are chemically bonded to the paper and cannot be leached into solution.

Combines ease-of-use with unsurpassed accuracy and consistency

Dispenser for rapid qualitative test paper to detect hydrogen sulfide

Accurate for a wide range of routine pH testing