{"product_id":"hanna-checker®-marine-ammonia-checker-hi-784","title":"Hanna Checker® Marine Ammonia Checker HI-784 ","description":"\u003cp\u003e\u003cimg alt=\"Hanna Checker® Marine Ammonia Checker HI-784\" src=\"https:\/\/korellifarmi.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\n \u003cp\u003eEach HI-784 is delivered in a case with custom insert and is supplied with:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Marine Ammonia reagent starter kit (reagents for 10 tests). Please download the Safety Datasheet(s) which provide more detail on the reagents before use; click on the link in the \"safety data sheets\" paragraph below\u003c\/li\u003e\n\n\u003cli\u003e Sample cuvette and cap (2)\u003c\/li\u003e\n\n\u003cli\u003e Plastic refill pipette (1)\u003c\/li\u003e\n\n\u003cli\u003e 1.5V AAA Alkaline battery (1)\u003c\/li\u003e\n\n\u003cli\u003e Instruction manual\u003c\/li\u003e\n\n\u003cli\u003e Quick reference guide\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e HI-784 Marine Ammonia handheld checker is designed to determine the concentration of ammonia in Saltwater aquariums. HI-784 features a single-button operation system and is easy to use. The large LCD is easy to read and the auto shut-off feature ensures the battery does not run down.\u003c\/p\u003e\n\n\u003ch3\u003e Recommendations for Users\u003c\/h3\u003e\n\n \u003cp\u003eBefore using this product, make sure it is entirely suitable for your specific application and for the environment in which it is used. Any variation introduced by the user to the supplied equipment may degrade the checker's performance. For your and the checker's safety, do not use or store it in hazardous environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003ch3\u003e Calculating Unionized Toxic Ammonia\u003c\/h3\u003e\n\n\u003cp\u003e This method measures NH \u003csub\u003e3\u003c\/sub\u003e \/NH \u003csub\u003e4\u003c\/sub\u003e \u003csup\u003e+\u003c\/sup\u003e . To determine the toxic NH \u003csub\u003e3\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003eportion, use the table to determine the percentage of toxic NH \u003csub\u003e3\u003c\/sub\u003e . Levels of toxic NH \u003csub\u003e3\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003egreater than 0.01ppm have a negative effect on fish.\u003c\/p\u003e\n\n\u003cp\u003e Multiply total ammonia (NH \u003csub\u003e3\u003c\/sub\u003e \/NH \u003csub\u003e4\u003c\/sub\u003e \u003csup\u003e+\u003c\/sup\u003e ) by the percent unionized ammonia from the table to determine unionized toxic ammonia.\u003c\/p\u003e\n\n\u003cp\u003e \u003cb\u003eExample: pH 8.0, Temperature: 24°C (75°F), NH \u003csub\u003e3\u003c\/sub\u003e \/NH \u003csub\u003e4\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003e+ 1.00 ppm Unionized toxic ammonia: 1.00 ppm x (5.0 % ÷ 100 )= 0.05 ppm\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cb\u003e\u003cimg height=\"220\" width=\"501\" alt=\"Unionized Ammonia\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/784-unionised-20ammonia-20table.jpg\" data-original=\"https:\/\/hannainstruments.co.uk\/img\/cms\/784_unionised%20ammonia%20table.jpg\" data-files=\"784-unionised-20ammonia-20table.jpg\" loading=\"lazy\"\u003e\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp\u003e Tips for an Accurate Measurement\u003c\/p\u003e\n\n\u003cul\u003e\n\n \u003cli\u003eEnsure the sample does not contain any debris\u003c\/li\u003e\n\n\u003cli\u003e Hold dropper bottles completely vertically and squeeze slowly to ensure correct drop size.\u003c\/li\u003e\n\n\u003cli\u003e Whenever the cuvette is placed into the checker, it must be dry outside and free of fingerprints, oil and dirt.\u003c\/li\u003e\n\n\u003cli\u003e Wipe the cuvette thoroughly with HI-731318 microfiber cleaning cloth or a lint-free cloth prior to insertion.\u003c\/li\u003e\n\n\u003cli\u003e Shaking the cuvette can generate bubbles, causing higher readings. To obtain accurate measurements, remove such bubbles by swirling or by gently tapping the cuvette.\u003c\/li\u003e\n\n\u003cli\u003e Do not let the reacted sample stand too long after the reagent has been added, as accuracy will be affected.\u003c\/li\u003e\n\n\u003cli\u003e Discard the sample immediately after the reading has been taken or the glass might become permanently stained\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Prepare sample cuvette immediately after collecting sample from tank. Ammonia is volatile and will dissipate if stored in a bottle before analysis, causing low measurements.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003e Accessories\u003c\/h3\u003e\n\n\u003cp\u003e \u003cb\u003eReagent Sets\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e HI-784-25 Reagents for 25 Marine Ammonia tests\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003cb\u003eOther Accessories\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n \u003cli\u003eHI-784-11 Marine Ammonia certified standard kit\u003c\/li\u003e\n\n\u003cli\u003e HI-731315 Glass cuvette and cap for Checker®HC Colorimeters (2 pcs.)\u003c\/li\u003e\n\n\u003cli\u003e HI-731318 Cloth for wiping cuvettes (4 pcs.)\u003c\/li\u003e\n\n\u003cli\u003e HI-740028P 1.5V AAA battery set (12 pcs.)\u003c\/li\u003e\n\n\u003cli\u003e HI-740157P Transfer pipette (20 pcs.)\u003c\/li\u003e\n\n\u003cli\u003e HI-93703-50 Cuvette cleaning solution, 230 mL\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003e Safety Data Sheets\u003c\/h3\u003e\n\n\u003cp\u003e Access safety data sheets online here. When using any form of chemical, it is important that you download the relevant safety data sheet and make yourself aware of any precautions you should take when handling the chemical. You can access our library of safety data sheets and download a copy by following the link below.\u003c\/p\u003e\n\n\u003cp\u003e Please note that the '-' in HI-products should be removed from all searches to find the correct information.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":48249728598339,"sku":"HANNA-HI784","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-ammonia-checker-hi-784-akvaariovedenhoito-833.webp?v=1734578603","url":"https:\/\/korellifarmi.com\/en\/products\/hanna-checker%c2%ae-marine-ammonia-checker-hi-784","provider":"Korallifarmi","version":"1.0","type":"link"}