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P4411 Sigma

pH test strips

7.0-14.0 pH, resolution: 0.5 pH unit

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Description

General description

Non-bleeding pH color strips. Simply immerse the strip in the test solution until color development is complete. Then compare the developed color to the sequence chart on the package, and read the pH. The range covered by each type of strip is divided into graduations as given below. Each package contains 100 strips in a clear, plastic container with a snug fitting top.

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Safety & Documentation

Safety Information

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Documents

Certificate of Analysis

Protocols & Articles

Protocols

Suitability for the Qualitative Determination of Calcium with Phthalein Purple (O-Cresophthalein Complexone) using Stannous Chloride

1. OBJECTIVE To standardize a procedure to determine the suitability for the qualitative determination of calcium with phthalein purple at Sigma-Aldrich St. Louis.
Keywords: Absorption, Atomic absorption spectroscopy, Indicators, Inductively coupled plasma

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