Harmonized #: 3822.00.0002 5090 Shelf Life (months): 24 Specific Gravity: 1.00 DOT: Not regulated Physical State: Liquid Flash Point: Not applicable Solubility: Miscible Storage Temperature: Ambient Storage Code: General

The Fisher Scientific 4 pH buffer solution is suitable for use in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage.

Choose from economical solution bottles or individually sealed pH buffer pouches. NIST traceable materials Labeled with pH vs. temperature tables for accurate calibration All Oakton pH buffer solutions are freshness dated, and standardized against NIST-traceable references to…

Standardized and certified traceable to NIST Standard Color-coded for quick reference Accuracy ±0.01 pH at 25°C pH temperature chart, lot numbers and expiration dates on each label pH 4.0 buffer is colored red, 7.0 buffer is yellow or green and 10.0 buffer is blue.…

Ready-to-use buffers Accurate within ±0.01 pH unit of specified value, at 25°C In 500 mL polyethylene squeeze bottles

Accurate calibration Sealed buffer pouch provides disposable convenience More accurate first time measurements Easier to use than conventional liquid buffers; no secondary reservoir required. All buffers are certified NIST traceable; used pouch can be attached to permanent batch…

pH made Easy. Everything you need and want in a pH Buffer. NIST Traceability. Consistent, reliable performance. The tightest specification (+/- 0.01 pH unit) on all buffers. Long Expiration dates. Temperature conversion charts for all Buffers up to pH 11. Multiple sizes to fit your usage and budget…