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Standard value of 1.00 ±0.05 mg\/L CaCO3 @ 25°C\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52137631056219,"sku":"HI-96719-11","price":2474.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/9204\/1051\/files\/1250.jpg?v=1769766011"},{"product_id":"calcheck-standards-for-calcium-magnesium-hr-0-0-and-200-ppm","title":"HI-96752-11 CalCheck standards for Calcium \u0026 Magnesium HR, 0.0 and 200 ppm","description":"\u003cp\u003eThe HI-96752-11 Calcium CAL Check™ Standards provide a simple solution to calibrating and validating the HI-96752 portable photometer. Standard value of 200 ±10 mg\/L calcium @ 25°C\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52137633382747,"sku":"HI-96752-11","price":2474.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/9204\/1051\/files\/1312.jpg?v=1769766033"},{"product_id":"calcheck-standards-for-magnesium-hr-0-0-and-100-ppm","title":"HI-96754-11 CalCheck standards for Magnesium HR, 0.0 and 100 ppm","description":"\u003cp\u003eThe HI-96754-11 Magnesium CAL Check™ Standards provide a simple solution to calibrating and validating the HI-96752 portable photometer. Standard value of 100 ±5 mg\/L magnesium @ 25°C\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52137634267483,"sku":"HI-96754-11","price":2474.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/9204\/1051\/files\/1316.jpg?v=1769766034"},{"product_id":"hardness-range-40-500-mg-l","title":"HI-3841 Hardness - Range (40-500 mg\/L) Test Kit","description":"\u003cp\u003eHardness in water is mainly due to the presence of Calcium and Magnesium ions and each contributes to the amount of total hardness. Monitoring and controlling hardness is instrumental in order to prevent scaling and corrosion.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52137651405147,"sku":"HI-3841","price":164.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/9204\/1051\/files\/1576.jpg?v=1769766182"},{"product_id":"hi-719-magnesium-harndess-pocket-checker","title":"HI-719 Magnesium Hardness Handheld Colorimeter - Checker HC","description":"\u003cp\u003eIdeal for wastewater, the HI-719 pocket checker is a simple and accurate way to measure magnesium hardness.Checker®HC is supplied with reagents for 25 tests. Use code HI-719-25 (25 tests) for future purchases.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52137664348507,"sku":"HI-719","price":870.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/9204\/1051\/files\/1728.jpg?v=1769766293"},{"product_id":"hi-83300-02-multi-parameter-benchtop-photometer-ph-meter","title":"HI-83300-02 Multi-parameter Benchtop Photometer \u0026 pH meter","description":"\u003cp\u003eOne meter can be used for both photometric and pH measurements. The meter has 60 different programmed methods measuring 37 key water quality parameters and also offers an absorbance measurement mode for performance verification.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52137673687387,"sku":"HI-83300-02","price":16083.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/9204\/1051\/files\/1778.jpg?v=1769766351"},{"product_id":"hi-83325-02-multi-parameter-photometer-with-ph-meter-for-plant-nutrient-analysis","title":"HI-83325-02 Multi-parameter Photometer with pH meter for Plant Nutrient analysis","description":"\u003cp\u003eOne meter can be used for both photometric and pH measurements. The HI-83325 benchtop photometer measures 8 different plant nutrient water quality parameters using 9 different methods.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52137674015067,"sku":"HI-83325-02","price":11905.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/9204\/1051\/files\/1781.jpg?v=1769766352"},{"product_id":"hi-937520-03-magnesium-reagents-150-tests","title":"HI-937520-03 Magnesium Reagents, 150 tests","description":"\u003cp\u003eThe HI-937520-03 are reagents for the colorimetric determination of magnesium. There are enough reagents for 150 tests to be used with a compatible benchtop or portable photometer.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52137702981979,"sku":"HI-937520-03","price":1274.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/9204\/1051\/files\/2867.jpg?v=1769766528"},{"product_id":"hi-97752-calcium-and-magnesium-photometer-range-ca-0-to-400-mgl-mg-0-to-150-mgl","title":"HI-97752 Calcium and magnesium photometer: Range: Ca: 0 to 400 mg\/L, Mg: 0 to 150 mg\/L","description":"\u003cp\u003eThe HI-97752 is an auto-diagnostic portable photometer that benefits from Hanna’s years of experience as a manufacturer of analytical instruments. It has an advanced optical system that uses a Light Emitting Diode (LED) and a narrow band interference filter that allows for accurate and repeatable readings.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52137723429211,"sku":"HI-97752","price":4457.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/9204\/1051\/files\/2263.jpg?v=1769766703"},{"product_id":"hi-97719-magnesium-hardness-photometer-range-000-to-200-mgl","title":"HI-97719 Magnesium hardness photometer: Range 0.00 to 2.00 mg\/L","description":"\u003cp\u003eThis instrument is an advanced portable photometer for the measurement of parameters in water.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52137725624667,"sku":"HI-97719","price":4457.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/9204\/1051\/files\/2429.jpg?v=1769766718"},{"product_id":"hi-783-marine-magnesium-checker-hc","title":"HI-783 Marine Magnesium Checker HC","description":"\u003cp\u003eHI-783 Marine Magnesium handheld checker is designed to determine the concentration of magnesium in saltwater aquariums.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52137735586139,"sku":"HI-783","price":870.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/9204\/1051\/files\/2588.jpg?v=1769766798"},{"product_id":"hi-783-11-marine-magnesium-certified-standard-kit","title":"HI-783-11 Marine Magnesium Certified Standard Kit","description":"\u003cp\u003eChecker HC Calibration Set\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52137736372571,"sku":"HI-783-11","price":303.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/9204\/1051\/files\/HI783-11-3237x3236-c3aef862-43ed-4376-a1cb-aee4db26dd73.jpg?v=1777451555"},{"product_id":"hi-783-25-marine-magnesium-reagent-25-tests","title":"HI-783-25 Marine Magnesium reagent  - 25 tests","description":"\u003cp\u003eHI-783-25 Marine Magnesium reagents, 25 tests, for use with the HI-783 Marine Magnesium Handheld Colorimeter Checker.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52137736470875,"sku":"HI-783-25","price":252.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/9204\/1051\/files\/2863.jpg?v=1769766804"},{"product_id":"hi-83399-water-and-wastewater-multi-parameter-with-cod-photometer-ph-meter","title":"HI-83399 Water and wastewater multi-parameter with COD photometer \u0026 pH meter","description":"\u003cp\u003eOne meter can be used for both photometric and pH measurements. 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Contents of the kit may differ from other photometers in the series.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52137755509083,"sku":"HI-97115C","price":5857.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/9204\/1051\/files\/2922.jpg?v=1769766911"},{"product_id":"hi-802-iris-visible-spectrophotometer-with-barcode-reader","title":"HI-802 Iris Visible Spectrophotometer with Barcode Reader","description":"\u003cp\u003e\nThe Hanna HI802 Iris is a next-generation visible spectrophotometer engineered to simplify laboratory testing without compromising analytical performance. 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