10 L, Clear, 4
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pH 4 Standard
Inorganic VenturesInorganic Ventures' pH 4 Standard is a certified reference material set in a water matrix for stability. This standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . Size: various …
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Buffer, Reference Standard, pH 4.00 ± 0.01 at 25°C
Ricca ChemicalpH 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…
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Buffer, Reference Standard, pH 4.00, Color Coded Red
Ricca ChemicalFormula: Mixture Description: Potassium Acid Phthalate, Mathanol and Butylparaben in Water, with red coloring