Copied Buffer Capsule, pH 4
Buffer Capsule, pH 4
Features:Fresh pH calibration solution anytime and anywhereEach capsule mixes with 100-mL of deionized water to create a clear, 4.00 pH solutionTen red-colored capsulesBuffer salts inside capsules require 100 mL of deionized or distilled water to produce a clear pH calibration solution accurate to ±0.02 pH (at 25°C) with traceability to NIST standards. Capsules are easier to store and transport than prepared aqueous buffer solutions. Capsules are color-coded for easy identification if mixed. Store buffer solution in an airtight container at room temperature for three weeks. Unused capsules have a five-year shelf life.
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