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Package Size: 4.6 x 2.9 x 1.2 inches
pH represents acidity or alkalinity of an aqueous solution and is proportional to the hydrogen-ion concentration of the solution. Under neutral conditions water is dissociated into the OH(-) and H(+) ions in equal ratio and hence it has a pH of 7. When bases or acids are added to a water solution they ionize, increasing the concentration of OH(-) or H(+), respectively. Thus solutions with a pH of 1-3 contain strong acids, whereas those with a pH of 4-6 contain weak acids. Weak bases result in solutions of pH 8-10 and strong bases in pH of 11-13. Kit comes with 25mL pH 4.0-8.0 reagent, test tube with cap and color chart. Color card method. 4.0-8.0 pH Range. pH indicator chemical method. Number of tests: 200. 37 grams.
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