pH Paper and other Test Strips
pH Paper and other Test Strips
Single-use test materials used to rapidly and semi-qualitatively determine the acidity or alkalinity of liquids or to measure another parameter or substance; may include tests for starch, chlorine, and molybdenum; usually via the use of color-based reactions.
pH Papers, pH strips, pH sticks, and pH test kits are used in laboratory, industrial, and educational environments to qualitatively assess pH levels or monitor acid-base titrations in a range of sample types.pH Buffer reference standards are used for the accurate calibration of pH meters and monitors for far more precise and quantitative pH measurement.
pH Test papers are supplied either as rolls, tear-off strips, or sticks. They are impregnated with indicator dyes that change color at a specific pH. In some products, indicator dyes are covalently linked to cellulose fibers to avoid bleed-out (leaching) and contamination of the test sample.
Some pH papers indicate simple acid or base conditions with a single red-to-blue color change (also called litmus papers). Universal pH papers and strips contain a combination of indicators that cover a range of pH values up to and including 0 to 14 in a single test. The observed color change is checked against a comparison chart supplied with the papers.
Alternatively, for metered assessments of pH, standard or reference pH buffers are used to calibrate pH meters and other electrochemical sensors.
Standard Buffer Characteristics:
• Typically supplied at fixed values of pH 4.01, pH 7.00, and pH 10.01
• May be color-coded for easy and quick identification
• Certified to their nominal pH and accuracy at a specified temperature (typically 20°C)
• Supplied as ready-to-use solutions or concentrates
• Contain antifungals for extended shelf life
Fisherbrand™ Plastic pH Strips
Laboratory grade plastic pH strips in durable and easy to open flip-top vials

Fisherbrand™ Acid/Alkali Test Papers
Foolproof pH test to determine if a solution is acidic or alkaline.

Cytiva Whatman™ Potassium Iodide Test Paper on a Reel

Combines ease-of-use with unsurpassed accuracy and consistency

Cytiva Whatman™ pH Indicators

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.

MilliporeSigma™ MQuant™ pH Test Strips and Indicator Papers
Measure pH onsite without instruments or extensive preparation

Cytiva Whatman™ Lead Acetate Test Paper Dispenser
Dispenser for rapid qualitative test paper to detect hydrogen sulfide

New Pig pHydrion™ INSTA-CHEK™ pH Papers
When unknown liquids spill, use this paper for pH checks before or after
Promotions are available
Micro Essential Lab Insta-Chek™ 0-13 Wide-Range pH Test Paper/Dispenser
Direct reading pH paper with 14 colors for 14 pH values—the widest range available on a single paper

Lovibond™ Process Chlorine Analyzer Reagents: Free Chlorine
Formulated to work with Hach™ CL17™ and other manufacturer's online chlorine analyzers

Micro Essential Lab Hydrion™ pH Test Paper
Micro Essential Laboratory Hydrion™ pH Test Paper is suitable for easy and instant pH determination.

Micro Essential Lab pH Test Paper, in Vial
Immediate, accurate pH test strips cut and packaged in vials

Micro Essential Lab Hydrion™ Double Roll pH Test Paper Dispensers
Hydrion™ Double Roll pH Papers consist of two rolls of pH papers packaged in a protective plastic dispenser with stainless steel cutoff lips and two matching color charts. pH color changes are distinct and easily matched to the color chart.

Micro Essential Lab pHIZATEST™ Nitrazine Indicator Paper
Phenaphthazine 4.5–7.5 nitrazine indicator paper has been trusted by hospitals and physicians worldwide for more than 50 years.

Micro Essential Lab pH Test Paper Refills for Hydrion™ Dispensers
Hydrion™ pH Paper provides excellent color separation in the alkaline range and offers clear bright single color matches for various pH ranges.

Micro Essential Lab Hydrion™ Single Roll pH Test Paper Dispensers
Hydrion™ pH Paper provides excellent color separation in the alkaline range and offers clear bright single color matches for various pH ranges.

Micro Essential Lab Hydrion™ Jumbo Double Roll pH Test Paper Dispensers
Hydrion™ Jumbo Size pH Papers are easier to read with larger color charts. The 0.5 in. width of the paper enables clearer and quicker color matching.

Micro Essential Lab Hydrion™ Jumbo Single Roll pH Test Paper Dispensers
Hydrion™ Jumbo Size pH Papers are easier to read with larger color charts. The 0.5 in. width of the paper enables clearer and quicker color matching.

Micro Essential Lab Hydrion™ Lo Iodine Test Kit
Provides a simple, reliable, and economical means to measure quarternary concentration of ammonium, chlorine and iodine sanitizer solutions

LaMotte™ Insta-Test Peroxide Low Range Test Strips

Test strips for monitoring hydrogen peroxide solutions, 0-50ppm

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