{"product_id":"hanna-checker®-marine-magnesium-mg-hi-783","title":"Hanna Checker® Marine Magnesium (Mg) HI-783","description":"\u003cp\u003e\u003cimg alt=\"Hanna Checker® Marine Magnesium (Mg) HI-783\" src=\"https:\/\/korallefarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" align=\"baseline\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI772-26_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eEach HI-783 is delivered in a case with a custom insert and is supplied with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSample cuvette and cap (2 pcs.)\u003c\/li\u003e\n\u003cli\u003eMarine Magnesium reagent starter kit (reagents for 25 tests)\u003c\/li\u003e\n\u003cli\u003e1 mL graduated syringe and tip (1 pc.)\u003c\/li\u003e\n\u003cli\u003e5 mL syringe and tip with black printing (1 pc.)\u003c\/li\u003e\n\u003cli\u003e5 mL syringe and tip with blue printing (1 pc.)\u003c\/li\u003e\n\u003cli\u003e1.5V AAA Alkaline battery (1 pc.)\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003cli\u003eQuick-reference guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHI-783 features a single-button operation system and is easy to use.\u003c\/p\u003e\n\u003cp\u003eThe large LCD is easy to read and the auto shut-off feature assures the battery will not be drained.\u003c\/p\u003e\n\u003ch3\u003eMeasurement Procedure\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure cuvettes, syringes, and tips are completely clean and dry before use. See reverse side for tips on measuring liquids using syringes.\u003c\/li\u003e\n\u003cli\u003ePress the ON\/OFF button to turn the checker on. All segments will be displayed for a few seconds, followed by “Add”, “C.1” with “Press” blinking.\u003c\/li\u003e\n\u003cli\u003ePreparing the cuvette for “C.1” measurements:\n\u003cp\u003e• Place the syringe tips onto each syringe. Ensure the O-rings remain in the tip for a proper seal.\u003c\/p\u003e\n\u003cp\u003e• Use the 5 mL syringe with black printing to measure 4 mL of HI-783A-0 reagent. Ensure there is no excess reagent on the syringe tip, then slowly dispense the 4 mL of reagent into a clean, dry cuvette. If excessive reagent remains in the tip, draw a small amount of air into the syringe and use it to expel the remaining reagent into the cuvette.\u003c\/p\u003e\n\u003cp\u003e• Use the 5 mL syringe with blue printing to measure 5 mL of unreacted sample. Ensure there is no excess sample on the syringe tip, then slowly dispense the sample into the same cuvette. Ensure no sample is remaining in the tip.\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eNote: The total liquid volume will be below the 10 mL mark at this step.\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003e• Screw the cap on and gently invert the cuvette 5 times, until the solution has been thoroughly mixed. Ensure there are no bubbles in the mixture and that the outside of the cuvette is dry and clean.\u003c\/p\u003e\n\u003cp\u003e• Insert the cuvette into the checker and close the cap.\u003c\/p\u003e\n\u003cp\u003e• Press the ON\/OFF button. When the display shows “Add”, “C.2” with “Press” blinking, the checker is zeroed. Remove the cuvette.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003ePreparing the cuvette for “C.2” measurements:\n\u003cp\u003e• Unscrew the cap and use HI-783IND-0 powder reagent as instructed into the cuvette. Screw the cap onto the cuvette. Gently invert the cuvette 5 times until the solution has been thoroughly mixed. For the most accurate reading, ensure there are no visible bubbles.\u003c\/p\u003e\n\u003cp\u003e• Insert the cuvette into the checker and close the cap.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003ePress ON\/OFF button. The instrument displays the ppm of magnesium. The checker automatically turns off 10 minutes after reading.\u003c\/li\u003e\n\u003cli\u003eRinse cuvettes, caps, syringes, and tips thoroughly with deionized (RODI) water and allow to dry completely before storing.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThe checker shows clear warning messages when erroneous conditions appear and when measured values are outside the expected range.\u003c\/p\u003e\n\u003ch3\u003eAccessories\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eReagent Sets\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHI-783-25 Reagents for 25 Marine Magnesium tests\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eOther Accessories\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHI-783-11 Marine Magnesium certified standard kit\u003c\/li\u003e\n\u003cli\u003eHI-731315 Glass cuvette and cap for Checker®HC colorimeters (2 pcs.)\u003c\/li\u003e\n\u003cli\u003eHI-731318 Cloth for wiping cuvettes (4 pcs.)\u003c\/li\u003e\n\u003cli\u003eHI-740028P 1.5V AAA battery set (12 pcs.)\u003c\/li\u003e\n\u003cli\u003eHI-740143 1 mL graduated syringe (6 pcs.)\u003c\/li\u003e\n\u003cli\u003eHI-740144P Plastic pipette tip (6 pcs.)\u003c\/li\u003e\n\u003cli\u003eHI-740226 5 mL graduated syringe with black printing (1 pc.)\u003c\/li\u003e\n\u003cli\u003eHI-740237 5 mL graduated syringe with blue printing (1 pc.)\u003c\/li\u003e\n\u003cli\u003eHI-740274 Syringe replacement kit\u003c\/li\u003e\n\u003cli\u003eHI-93703-50 Cuvette cleaning solution, 230 mL\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":48277485781315,"sku":"HANNA-HI783","price":89.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/hanna-checker-r-marine-magnesium-mg-hi-783-akvaariovedenhoito-714.webp?v=1734578839","url":"https:\/\/korallefarmi.com\/sv\/products\/hanna-checker%c2%ae-marine-magnesium-mg-hi-783","provider":"Korallifarmi","version":"1.0","type":"link"}