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Red-Four (TM) Buffer Solution pH 4.01 +/- 0.01 @ 25 DEG C Color-coded RED Reference Standard Certified Reference Standards Test Specification Min Max APPEARANCE

SKU: 23245840372
4.3
EUR157.00 EUR201.00

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Description

Test Specification Min Max APPEARANCE RETEST DATE

5 % HYDROXYL VALUE 90 - 107 90 - 107 SAPONIFICATION VALUE 41 - 52 41 - 52 ACID VALUE 2 LEAD 2 mg/kg RESIDUE ON IGNITION 0

Test Specification Min Max PURITY (GC

10% ELEMENTAL IMPURITIES AS REPORTED THIOCYANATE TO PASS TEST IDENTIFICATION TO PASS TEST RETEST DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST

Red-Four (TM) Buffer Solution pH 4.01 +/- 0.01 @ 25 DEG C Color-coded RED Reference Standard Certified Reference Standards Test Specification Min Max APPEARANCETest Specification Min Max pH 4. 01 + 0. 01 4. 01 + 0. 01 STANDARDIZED AGAINST NIST EXPIRATION DATE

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