{"product_id":"hanna-hi7021l-240-mv-orp-test-solution-500ml","title":"Hanna HI7021L 240 mV ORP Test Solution – 500 mL","description":"\u003cp\u003eThe Hanna HI7021L is a high-purity, laboratory-grade 240 mV ORP test solution. Packaged in a UV-blocking 500 mL bottle, it provides a stable reference measurement of 240 mV (@25°C). It is utilized to condition and verify the operational integrity of ORP and REDOX electrodes, ensuring precise measurements in food processing, wastewater, and advanced agricultural diagnostics.\u003c\/p\u003e\n\u003cp\u003eValidate your low-range oxidation diagnostics with the Hanna \u003cstrong\u003eHI7021L 240 mV ORP Test Solution\u003c\/strong\u003e. While massive municipal water plants deal with high ORP values (using 470 mV test solutions), many specific chemical reactions in Pakistan’s food processing, wine\/beverage fermentation, and anaerobic wastewater treatment sectors require tracking much lower oxidation-reduction states.\u003c\/p\u003e\n\u003cp\u003eThe HI7021L provides the exact chemical baseline required to test sensors operating in these sensitive environments. By submerging your cleaned ORP electrode into a sample of this solution, the meter must return a reading of 240 mV (@25°C). This immediate diagnostic test allows QA technicians to confirm that the platinum or gold sensing ring is free from protein fouling and electrical degradation. Supplied in a heavy-duty 500 mL Light-Block Bottle, it guarantees your industrial sensors are always reading the truth.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFind specialized laboratory fluids in [\u003ca href=\"https:\/\/kamadi.pk\/collections\/lab-supplies\"\u003eLab Supplies\u003c\/a\u003e].\u003c\/li\u003e\n\u003cli\u003eShop premier diagnostic liquids under [\u003ca href=\"https:\/\/kamadi.pk\/collections\/lab-chemicals\"\u003eLab Chemicals\u003c\/a\u003e].\u003c\/li\u003e\n\u003cli\u003eCompare ORP conditioning solutions in our [\u003ca href=\"https:\/\/kamadi.pk\/collections\/calibration-standards-buffers\"\u003eCalibration Standards \u0026amp; Buffers\u003c\/a\u003e] category.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Range Verification\u003c\/strong\u003e: Provides a specific 240 mV baseline required for testing ORP electrodes used in anaerobic and food-science applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Conditioning\u003c\/strong\u003e: Can be used to condition the metallic sensing ring before critical chemical titrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir-Tight Seal\u003c\/strong\u003e: Manufactured with a tamper-proof, air-tight seal to ensure absolute chemical stability during long-term storage in hot factories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGLP Compliant Labeling\u003c\/strong\u003e: Features comprehensive temperature\/mV reference charts printed directly on the bottle for quick cross-referencing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQs):\u003c\/h3\u003e\n\u003ch3\u003eQ: What is the price of the Hanna HI7021L in Pakistan?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA\u003c\/strong\u003e: Check Kamadi.pk for competitive B2B rates. We support commercial testing laboratories with fresh, authentic Hanna reagents.\u003c\/p\u003e\n\u003ch3\u003eQ: HI7021L vs HI7022L: Which ORP solution do I need?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA\u003c\/strong\u003e: Both test the health of the electrode, just at different voltage targets. If you generally measure highly oxidative water (like chlorinated swimming pools \u0026gt;600 mV), use the HI7022L (470 mV). If you measure lower-range industrial reactions, use the HI7021L (240 mV).\u003c\/p\u003e\n\u003ch3\u003eQ: Does temperature affect the reading?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA\u003c\/strong\u003e: Yes. The solution is exactly 240 mV at 25°C. The bottle includes a printed chart showing the exact expected mV reading if your testing room is hotter or colder than 25°C.\u003c\/p\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":45944236736769,"sku":"811410014","price":17900.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/5659\/1873\/files\/hanna_hi7021l.jpg?v=1736423524","url":"https:\/\/kamadi.pk\/products\/hanna-hi7021l-240-mv-orp-test-solution-500ml","provider":"Kamadi Pakistan","version":"1.0","type":"link"}