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Search Products * In order to use the cart correctly, please make sure you have cookies enabled. Traditional Calibration Standards Conductivity Calibrating Standards Conductivity Calibrating In Single Use Pouches Salinity Standards 442 Formulations ORP-Oxidation/Reduction Standards pH Buffer Standards pH Calibrating Buffers In Single Use Pouches Turbidity Calibrating Standards Combination Standards for Multi-Parameter Sondes Special Calibration Standards Total Organic Carbon Standards Low-Level Conductivity Standards High-Accuracy Conductivity Standards Particle Turbidity Standards High Temperature pH Buffer Standards High-Accuracy pH Buffer Standards Support Products Aids For Dissolved Oxygen Measurements Aids For pH Measurements Pourite Anti-Bubble Additive For Solid Media Support Documents MSDS Certificate of Analysis Technical Notes Contact Information Contact Us

High Accuracy pH Buffer Standards pH 4, 7 & 10, color coded, and High Accuracy High Accuracy Buffers pH 4, 7 & 10 ±0.002 @ 25°C vs. NIST SRMs Calitech pH calibrating buffers are formulated with NIST specified ingredients including EPA registered broad-spectrum antimicrobials to assure long-life free of mold and bacterial growth. These are color coded for easy recognition. Accuracy is referenced to NIST Standard Reference Materials 0.002/0.005 @ 25°C for high-accuracy buffers. Traceability certificates are furnished on request. The buffers are packed in 500-mL,containers. All screw capped containers include tamper evident double seal caps to prevent leakage and security.   Item Part Number Size Price Quantity Add to Cart pH Calibration Buffer pH 4.000 10-260-2 0.5 LTR $20.00   pH Calibration Buffer pH 7.000 10-261-2 0.5 LTR $20.00   © COPYRIGHT, AURICAL COMPANY, 2007 - 2012, ALL RIGHTS RESERVED.