{"product_id":"hanna-hi7021l-240mv-orp-test-solution-500ml","title":"Hanna ORP Solution,  240 mV, 500ml","description":"\u003ch4 class=\"first\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2593\/8322\/files\/Unknown_large.png?v=1515108633\" alt=\"\" style=\"margin-right: 20px; margin-bottom: 1px; float: left;\" width=\"125\" height=\"53\"\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cstrong\u003eProduct Code: HI7021L\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cbr\u003eThe Hanna HI7021L ORP Test Solution is a 240 mV oxidation-reduction potential (ORP) standard at 25°C used to check the performance and accuracy of platinum and gold ORP electrodes. Supplied in a 500 mL bottle, the solution provides a convenient way to verify that an ORP electrode is responding correctly before performing measurements.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eTo test an ORP electrode, immerse the clean electrode in the HI7021L solution and allow the reading to stabilize. At 25°C, the expected value is 240 mV. Hanna's current U.S. specifications indicate that the electrode reading should be within approximately ±20 mV of the nominal value. If the reading falls outside the expected range, the electrode may require cleaning, conditioning, or replacement.\u003c\/p\u003e\n\u003cp\u003eThe HI7021L is prepared using reagent-grade chemicals in a temperature-controlled manufacturing environment. Each bottle is identified with the product code, lot number, and expiration date and is sealed with an airtight, tamper-resistant closure to help maintain solution quality.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProduct Type: ORP test solution \/ ORP standard\u003c\/li\u003e\n\u003cli\u003eNominal ORP Value: 240 mV at 25°C\u003c\/li\u003e\n\u003cli\u003eBottle Size: 500 mL\u003c\/li\u003e\n\u003cli\u003eQuantity: 1 bottle\u003c\/li\u003e\n\u003cli\u003eDesigned for testing platinum and gold ORP electrodes\u003c\/li\u003e\n\u003cli\u003ePrepared with reagent-grade chemicals\u003c\/li\u003e\n\u003cli\u003eUseful for checking ORP electrode performance\u003c\/li\u003e\n\u003cli\u003eLot number and expiration date marked on bottle\u003c\/li\u003e\n\u003cli\u003eAirtight, tamper-proof seal\u003c\/li\u003e\n\u003cli\u003eSuitable for laboratory and field ORP testing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":45302393372803,"sku":"HI7021L","price":32.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2593\/8322\/products\/hi7021l_1.jpg?v=1515120468","url":"https:\/\/dynamicaquasupply.com\/en-us\/products\/hanna-hi7021l-240mv-orp-test-solution-500ml","provider":"Dynamic  Aqua-Supply","version":"1.0","type":"link"}