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HEPES Buffer, 1 M, pH 7.3

Cat.No: ATR-B-YJL-0167 Datasheet

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Product Name HEPES Buffer, 1 M, pH 7.3
Catalog No. ATR-B-YJL-0167
Description A zwitterionic biological buffer providing robust pH control in the physiological range. HEPES (4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid) is preferred for cell culture applications where CO2 incubation may cause pH drift.
Intended Use Buffering cell culture media in ambient CO2 conditions, maintaining pH stability during imaging experiments, and serving as a buffer in biochemical assays requiring precise pH control.
Principle / Technology Zwitterionic sulfonic acid buffer with pKa of 7.55 at 25°C; minimal metal ion chelation compared to phosphate buffers.
Detection Method pH electrode
Sample Type Mammalian cell cultures, fluorescence microscopy specimens, enzymatic assay mixtures
Performance Range / Specifications pH 7.1–7.5 at working dilution, buffering range pH 6.8–8.2
Sensitivity / LOD N/A
Specificity N/A
Reaction Conditions / Protocol Use at 10–25 mM final concentration; sterile filter for cell culture use.
Components / Formulation HEPES free acid dissolved in ultrapure water, pH adjusted with sodium hydroxide
Storage Conditions 15–30°C, protect from light
Shelf Life 36 months
Package Specifications 100 mL, 500 mL, 1 L
Product Form Liquid concentrate
Quality Control pH verification, cell culture tested for toxicity, endotoxin <0.05 EU/mL, sterility
Key Features Cell culture tested; minimal CO2-dependent pH drift; low metal chelation; suitable for fluorescence microscopy

For research use only, not for clinical use.

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