{"product_id":"reagecon-ph-4-00-buffer-solution-0-01-at-25-c-500-ml-nist-traceable-product-code-1040525","title":"REAGECON pH 4.00 Buffer Solution ±0.01 at 25°C, 500 mL, NIST TRACEABLE \nProduct Code: 1040525","description":"\u003cp\u003eProduct Overview\u003c\/p\u003e\n\u003cp\u003eThe REAGECON pH 4.00 Buffer Solution ±0.01 at 25°C (500 mL) is a premium-quality calibration standard designed for the accurate calibration, verification, and quality control of pH meters and electrodes. Manufactured under stringent quality standards, this buffer is ISO 17025 tested, NIST traceable, and directly traceable to the IUPAC pH scale, ensuring precise, reliable, and internationally accepted pH measurements. The solution is formulated for excellent stability, even after opening, making it ideal for laboratory, industrial, research, pharmaceutical, environmental, food, and water testing applications. �\u003c\/p\u003e\n\u003cp\u003efishersci.fi +1\u003c\/p\u003e\n\u003cp\u003eKey Features\u003c\/p\u003e\n\u003cp\u003eCertified pH 4.00 ±0.01 at 25°C\u003c\/p\u003e\n\u003cp\u003eVolume: 500 mL\u003c\/p\u003e\n\u003cp\u003eProduct Code: 1040525\u003c\/p\u003e\n\u003cp\u003eNIST Traceable Reference Standard\u003c\/p\u003e\n\u003cp\u003eTested using ISO 17025 Accredited methods\u003c\/p\u003e\n\u003cp\u003eManufactured under ISO quality standards\u003c\/p\u003e\n\u003cp\u003eDirect traceability to the IUPAC pH scale\u003c\/p\u003e\n\u003cp\u003eExcellent long-term stability after opening\u003c\/p\u003e\n\u003cp\u003eColorless liquid\u003c\/p\u003e\n\u003cp\u003eReady-to-use calibration solution\u003c\/p\u003e\n\u003cp\u003eSuitable for single-point and multi-point pH calibration\u003c\/p\u003e\n\u003cp\u003eSupplied with Certificate of Analysis \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTechnical Specifications\u003c\/p\u003e\n\u003cp\u003eSpecification\u003c\/p\u003e\n\u003cp\u003eDetails\u003c\/p\u003e\n\u003cp\u003eBrand\u003c\/p\u003e\n\u003cp\u003eREAGECON\u003c\/p\u003e\n\u003cp\u003eProduct Name\u003c\/p\u003e\n\u003cp\u003epH 4.00 Buffer Solution\u003c\/p\u003e\n\u003cp\u003eProduct Code\u003c\/p\u003e\n\u003cp\u003e1040525\u003c\/p\u003e\n\u003cp\u003epH Value\u003c\/p\u003e\n\u003cp\u003e4.00 ±0.01 at 25°C\u003c\/p\u003e\n\u003cp\u003eVolume\u003c\/p\u003e\n\u003cp\u003e500 mL\u003c\/p\u003e\n\u003cp\u003ePhysical State\u003c\/p\u003e\n\u003cp\u003eLiquid\u003c\/p\u003e\n\u003cp\u003eAppearance\u003c\/p\u003e\n\u003cp\u003eClear, Colorless\u003c\/p\u003e\n\u003cp\u003eTraceability\u003c\/p\u003e\n\u003cp\u003eNIST Traceable\u003c\/p\u003e\n\u003cp\u003eTesting Standard\u003c\/p\u003e\n\u003cp\u003eISO 17025 Accredited\u003c\/p\u003e\n\u003cp\u003eCalibration Temperature\u003c\/p\u003e\n\u003cp\u003e25°C\u003c\/p\u003e\n\u003cp\u003eApplication\u003c\/p\u003e\n\u003cp\u003eCalibration \u0026amp; Verification of pH Meters\u003c\/p\u003e\n\u003cp\u003eContainer\u003c\/p\u003e\n\u003cp\u003ePlastic Bottle\u003c\/p\u003e\n\u003cp\u003eSolubility\u003c\/p\u003e\n\u003cp\u003eCompletely miscible with water\u003c\/p\u003e\n\u003cp\u003eApplications\u003c\/p\u003e\n\u003cp\u003eCalibration of laboratory pH meters\u003c\/p\u003e\n\u003cp\u003eRoutine pH meter verification\u003c\/p\u003e\n\u003cp\u003eWater and wastewater analysis\u003c\/p\u003e\n\u003cp\u003ePharmaceutical laboratories\u003c\/p\u003e\n\u003cp\u003eFood \u0026amp; beverage quality control\u003c\/p\u003e\n\u003cp\u003eChemical manufacturing\u003c\/p\u003e\n\u003cp\u003eEducational laboratories\u003c\/p\u003e\n\u003cp\u003eEnvironmental monitoring\u003c\/p\u003e\n\u003cp\u003eResearch laboratories\u003c\/p\u003e\n\u003cp\u003eIndustrial quality assurance\u003c\/p\u003e\n\u003cp\u003eCompatible Instruments\u003c\/p\u003e\n\u003cp\u003eSuitable for calibration of pH meters from leading manufacturers, including:\u003c\/p\u003e\n\u003cp\u003eHanna Instruments\u003c\/p\u003e\n\u003cp\u003eThermo Scientific\u003c\/p\u003e\n\u003cp\u003eEutech Instruments\u003c\/p\u003e\n\u003cp\u003eMettler Toledo\u003c\/p\u003e\n\u003cp\u003eHoriba\u003c\/p\u003e\n\u003cp\u003eHach\u003c\/p\u003e\n\u003cp\u003eOakton\u003c\/p\u003e\n\u003cp\u003eMilwaukee\u003c\/p\u003e\n\u003cp\u003eLutron\u003c\/p\u003e\n\u003cp\u003eOther laboratory pH meters supporting standard buffer calibration\u003c\/p\u003e\n\u003cp\u003eStorage Instructions\u003c\/p\u003e\n\u003cp\u003eStore tightly closed.\u003c\/p\u003e\n\u003cp\u003eKeep at 15–25°C.\u003c\/p\u003e\n\u003cp\u003eProtect from direct sunlight.\u003c\/p\u003e\n\u003cp\u003eAvoid contamination by rinsing the electrode before immersion.\u003c\/p\u003e\n\u003cp\u003eDo not pour used buffer back into the original bottle.\u003c\/p\u003e\n\u003cp\u003eKeep container tightly sealed after use.\u003c\/p\u003e\n\u003cp\u003ePackage Contents\u003c\/p\u003e\n\u003cp\u003e1 × REAGECON pH 4.00 Buffer Solution (500 mL)\u003c\/p\u003e\n\u003cp\u003eCertificate of Analysis\/Test Certificate (where supplied)\u003c\/p\u003e\n\u003cp\u003eBenefits\u003c\/p\u003e\n\u003cp\u003eHighly accurate calibration\u003c\/p\u003e\n\u003cp\u003eExcellent repeatability\u003c\/p\u003e\n\u003cp\u003eStable formulation\u003c\/p\u003e\n\u003cp\u003eInternationally traceable standards\u003c\/p\u003e\n\u003cp\u003eIdeal for ISO, GLP, and GMP laboratories\u003c\/p\u003e\n\u003cp\u003eImproves measurement reliability\u003c\/p\u003e\n\u003cp\u003eReady for immediate use\u003c\/p\u003e","brand":"REAGECON","offers":[{"title":"Default Title","offer_id":47160695357613,"sku":"REAGECON 1040525","price":1700.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/7666\/9357\/files\/rn-image_picker_lib_temp_9ef803c1-5a2c-403c-9d00-51c52ff5c1d5.png?v=1785813222","url":"https:\/\/rinstruments.com\/products\/reagecon-ph-4-00-buffer-solution-0-01-at-25-c-500-ml-nist-traceable-product-code-1040525","provider":"Rinstruments","version":"1.0","type":"link"}