{"product_id":"eutech-nist-traceable-certified-tds-calibration-solution-442-standard","title":"EUTECH NIST Traceable Certified TDS Calibration Solution (442 Standard)","description":"\u003cp\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEUTECH NIST Traceable Certified TDS Calibration Solutions are premium-quality reference standards designed for accurate calibration and verification of TDS (Total Dissolved Solids) meters and conductivity\/TDS instruments. Manufactured under stringent quality control, these ready-to-use solutions are NIST traceable and supplied with a Certificate of Analysis (COA) for batch-specific accuracy. The solutions are formulated using the industry-recognized 442 Natural Water Standard (40% sodium sulfate, 40% sodium bicarbonate, 20% sodium chloride), making them ideal for natural water applications. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNIST Traceable Certified Standard\u003c\/p\u003e\n\u003cp\u003eSupplied with Certificate of Analysis (COA)\u003c\/p\u003e\n\u003cp\u003eReady-to-use solution\u003c\/p\u003e\n\u003cp\u003eHigh accuracy and excellent stability\u003c\/p\u003e\n\u003cp\u003eManufactured under ISO quality standards\u003c\/p\u003e\n\u003cp\u003eBatch-to-batch consistency\u003c\/p\u003e\n\u003cp\u003eColorless solution\u003c\/p\u003e\n\u003cp\u003eLong shelf life\u003c\/p\u003e\n\u003cp\u003eLeak-proof HDPE bottle\u003c\/p\u003e\n\u003cp\u003eIdeal for laboratory and field calibration\u003c\/p\u003e\n\u003cp\u003eSuitable for routine verification and quality control\u003c\/p\u003e\n\u003cp\u003eCompatible with most TDS meters using the corresponding standard value. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrand : \u003c\/strong\u003eEUTECH Instruments\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Type : \u003c\/strong\u003eTDS Calibration Solution\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStandard : \u003c\/strong\u003e442 Natural Water Standard\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTraceability : \u003c\/strong\u003eNIST Traceable\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertification : \u003c\/strong\u003eCertificate of Analysis (COA)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Form : \u003c\/strong\u003eLiquid\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAppearance : \u003c\/strong\u003eClear, Colorless\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBottle Material : \u003c\/strong\u003eHDPE Plastic\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePack Size : \u003c\/strong\u003e480 mL Bottle\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalibration Temperature : \u003c\/strong\u003e25°C\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReady to Use : \u003c\/strong\u003eYes\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShelf Life : \u003c\/strong\u003eAs per manufacturer label\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStorage Temperature : \u003c\/strong\u003e15–30°C\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComposition (442 Standard)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e40% Sodium Sulfate (Na₂SO₄)\u003c\/p\u003e\n\u003cp\u003e40% Sodium Bicarbonate (NaHCO₃)\u003c\/p\u003e\n\u003cp\u003e20% Sodium Chloride (NaCl)\u003c\/p\u003e\n\u003cp\u003eThe 442 formulation closely represents the ionic composition of natural fresh water and is recommended for environmental and water treatment applications. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDrinking Water Testing\u003c\/p\u003e\n\u003cp\u003eRO Water Systems\u003c\/p\u003e\n\u003cp\u003eWater Treatment Plants\u003c\/p\u003e\n\u003cp\u003eEnvironmental Monitoring\u003c\/p\u003e\n\u003cp\u003eWastewater Analysis\u003c\/p\u003e\n\u003cp\u003eHydroponics\u003c\/p\u003e\n\u003cp\u003eAquaculture\u003c\/p\u003e\n\u003cp\u003eFood \u0026amp; Beverage Industry\u003c\/p\u003e\n\u003cp\u003ePharmaceutical Laboratories\u003c\/p\u003e\n\u003cp\u003eChemical Laboratories\u003c\/p\u003e\n\u003cp\u003eResearch Institutes\u003c\/p\u003e\n\u003cp\u003eEducational Laboratories\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Instruments\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCompatible with:\u003c\/p\u003e\n\u003cp\u003eEUTECH TDS Testers\u003c\/p\u003e\n\u003cp\u003eEUTECH Portable TDS Meters\u003c\/p\u003e\n\u003cp\u003eEUTECH Benchtop TDS Meters\u003c\/p\u003e\n\u003cp\u003eConductivity\/TDS Meters supporting 442 standard calibration\u003c\/p\u003e\n\u003cp\u003eMulti-parameter Water Quality Meters\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdvantages\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAccurate calibration results\u003c\/p\u003e\n\u003cp\u003eReliable measurement performance\u003c\/p\u003e\n\u003cp\u003eImproves instrument accuracy\u003c\/p\u003e\n\u003cp\u003eReduces measurement uncertainty\u003c\/p\u003e\n\u003cp\u003eSuitable for GLP and laboratory quality systems\u003c\/p\u003e\n\u003cp\u003eExcellent batch reproducibility\u003c\/p\u003e\n\u003cp\u003eIdeal for routine calibration programs\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStorage Instructions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStore tightly capped.\u003c\/p\u003e\n\u003cp\u003eKeep away from direct sunlight.\u003c\/p\u003e\n\u003cp\u003eDo not contaminate the bottle by returning used solution.\u003c\/p\u003e\n\u003cp\u003eStore between 15°C and 30°C.\u003c\/p\u003e\n\u003cp\u003eDo not freeze.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1 × EUTECH NIST Traceable TDS Calibration Solution (480 mL)\u003c\/p\u003e\n\u003cp\u003eCertificate of Analysis (COA)\u003c\/p\u003e\n\u003cp\u003eProduct Label with Batch Number\u003c\/p\u003e\n\u003cp\u003eSafety Information\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIndustries Served\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWater \u0026amp; Wastewater\u003c\/p\u003e\n\u003cp\u003eEnvironmental Laboratories\u003c\/p\u003e\n\u003cp\u003ePharmaceuticals\u003c\/p\u003e\n\u003cp\u003eFood \u0026amp; Beverage\u003c\/p\u003e\n\u003cp\u003ePower Plants\u003c\/p\u003e\n\u003cp\u003eChemical Processing\u003c\/p\u003e\n\u003cp\u003eAgriculture \u0026amp; Hydroponics\u003c\/p\u003e\n\u003cp\u003eEducational Institutions\u003c\/p\u003e\n\u003cp\u003eResearch Laboratories\u003c\/p\u003e","brand":"Eutech","offers":[{"title":"50 ppm 442 calibration \r\nsolution\r \/ 480ml","offer_id":46769797103789,"sku":"EUTECH EC44250BT","price":2222.0,"currency_code":"INR","in_stock":true},{"title":"300 ppm 442 calibration \r\nsolution \/ 480ml","offer_id":46769797136557,"sku":"EUTECH EC442300BT","price":2222.0,"currency_code":"INR","in_stock":true},{"title":"1000 ppm 442 calibration \r\nsolution\n\/ 480ml","offer_id":46769797169325,"sku":"EUTECH EC4421000BT","price":2222.0,"currency_code":"INR","in_stock":true},{"title":"3000 ppm 442 calibration \r\nsolution \/ 480ml","offer_id":46769797202093,"sku":"EUTECH EC4423000BT","price":2222.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/7666\/9357\/files\/rn-image_picker_lib_temp_3432c1a6-4522-4a88-8935-96c5a288ee0e.png?v=1783506167","url":"https:\/\/rinstruments.com\/products\/eutech-nist-traceable-certified-tds-calibration-solution-442-standard","provider":"Rinstruments","version":"1.0","type":"link"}