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Accurate Calibration NIST Traceable Color-Coded Achieve reliable pH measurements with our pH 7.01 buffer solution, ideal for laboratory and field calibration. With an accuracy of ?0.01 pH @ 25?C, this buffer is NIST traceable and essential for environmental, industrial, and educational testing. Caresource – Your leading distributor and trusted global supplier for scientific and laboratory equipment, water testing products, temperature data loggers, Caresource offers worldwide delivery and localized support across: UAE: Dubai, Abu Dhabi, Sharjah, Ajman, Ras Al Khaimah, Umm Al Quwain, Fujairah Philippines: Manila, Cebu, Davao, Mindanao Nigeria, Ghana, Zambia, Mauritius, Seychelles, Kenya, Uganda, Rwanda, Tanzania Morocco, Tunisia, Algeria, Egypt, Sudan. Saudi Arabia, Qatar, Oman, Kuwait, Bahrain Worldwide Delivery Free UAE Delivery Worldwide Shipping Available