{"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\u003cp\u003eEach HI-784 is delivered in a case with custom insert and is supplied with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMarine 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\u003cli\u003eSample cuvette and cap (2)\u003c\/li\u003e\n\u003cli\u003ePlastic refilling pipette (1)\u003c\/li\u003e\n\u003cli\u003e1.5V AAA Alkaline battery (1)\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-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 assures the battery with not run down.\u003c\/p\u003e\n\u003ch3\u003eRecommendations for Users\u003c\/h3\u003e\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\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eCalculating Unionized Toxic Ammonia\u003c\/h3\u003e\n\u003cp\u003eThis 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\u003cp\u003eMultiply 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\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\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cimg height=\"220\" width=\"501\" alt=\"Unionised 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\u003cp\u003eTips for an Accurate Measurement\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the sample does not contain any debris\u003c\/li\u003e\n\u003cli\u003eHold dropper bottles completely vertically and squeeze slowly to ensure correct drop size.\u003c\/li\u003e\n\u003cli\u003eWhenever the cuvette is placed into the checker, it must be dry outside and free of fingerprints, oil and dirt.\u003c\/li\u003e\n\u003cli\u003eWipe the cuvette thoroughly with HI-731318 microfiber cleaning cloth or a lint-free cloth prior to insertion.\u003c\/li\u003e\n\u003cli\u003eShaking 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\u003cli\u003eDo not let the reacted sample stand too long after reagent has been added, as accuracy will be affected.\u003c\/li\u003e\n\u003cli\u003eDiscard the sample immediately after the reading has been taken or the glass might become permanently stained\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003ePrepare 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\u003c\/ul\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-784-25 Reagents for 25 Marine Ammonia 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-784-11 Marine Ammonia 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-740157P Transfer pipette (20 pcs.)\u003c\/li\u003e\n\u003cli\u003eHI-93703-50 Cuvette cleaning solution, 230 mL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafety Data Sheets\u003c\/h3\u003e\n\u003cp\u003eAccess safety data sheets online here. When using any form of chemical, it is important you download the relevant safety datasheet and make yourself aware of any precautions you should take when handling the chemical. You can access our library of safety datasheets and download a copy by following the link below.\u003c\/p\u003e\n\u003cp\u003ePlease 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\/products\/hanna-checker%c2%ae-marine-ammonia-checker-hi-784","provider":"Korallifarmi","version":"1.0","type":"link"}