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HEPES Sodium Salt Biological Buffer High Purity size:5 KG Test Specification Min Max ASSAY

SKU: 98042754967
4.3
USD485.50 USD517.50

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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25

Description

Test Specification Min Max ASSAY 99% MELTING POINT 174 - 177 C 174 - 177 C

8 LOSS ON DRYING (OVER SILICA) 0

25% ELEMENTAL IMPURITIES AS REPORTED ORGANIC IMPURITIES TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST

Test Specification Min Max APPEARANCE APPEARANCE APPEARANCE RETEST DATE RETEST DATE RETEST DATE

Test Specification Min Max beta-ISOMER CONTENT APPROX

HEPES Sodium Salt Biological Buffer High Purity size:5 KG Test Specification Min Max ASSAYTest Specification Min Max ASSAY (ANHYDROUS BASIS) 98% pKa 7. 4 7. 7 ABSORBANCE OF A 0. 1 M SOLUTION @ 260 nm 0. 05A. U. HEAVY METALS (as Pb) 10 ppm LOSS ON DRYING 4% RETEST DATE

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