{"product_id":"hanna-instruments-hi-84500-60-acid-reagent-for-wine-analysis-230ml","title":"Hanna Instruments HI-84500-60 Acid Reagent for wine analysis, 230mL","description":"\u003cp\u003eThe HI-84500-60 is an acid reagent required for both low and high range determinations of sulphur dioxide in wine using the HI-84500 Sulphur Dioxide Mini Titrator for Wine Analysis.\u003c\/p\u003e\u003cp\u003eThe acid reagent is used to lower the pH value of the sample prior to performing a titration. With 5 mL of reagent required per test, there is enough acid reagent for approximately 46 tests.\u003c\/p\u003e \u003ch3\u003eAcid Reagent for HI-84500-02 mini titrator for wine analysis.\u003c\/h3\u003e \u003cp\u003eThe HI-84500-60 acid reagent is necessary to lower the pH of the wine sample before a titration can be performed for either free or total sulphur dioxide. The adjustment of the wine sample with 5 mL of the acidic reagent ensures the sample is at the correct pH. The addition of HI-84500-62 stabilising powder is also added prior to performing the titration. The HI-3148B ORP electrode is used to detect the endpoint for both the low (1.0 to 40.0 ppm of SO\u003csub\u003e2\u003c\/sub\u003e) and high (30 to 400 ppm of SO\u003csub\u003e2\u003c\/sub\u003e) ranges. The HI-84500 can be used with all wines, including red, which are difficult to test using traditional methods due to the difficulty to observe a distinctive colour change when the endpoint is reached.\u003c\/p\u003e \u003cp\u003eThe HI-84500 determines the free and total sulphur dioxide concentration in wine using the Ripper method. Excess iodide is added to the wine sample and reacts with the iodate titrant to produce iodine:\u003c\/p\u003e \u003cp\u003e\u003cbr\u003e IO\u003csub\u003e3\u003c\/sub\u003e- + 5I- + 6H+ → 3I\u003csub\u003e2\u003c\/sub\u003e + 3H\u003csub\u003e2\u003c\/sub\u003eO \u003c\/p\u003e \u003cp\u003eThe iodine produced reacts with sulphur dioxide in the wine according to the redox reaction below:\u003c\/p\u003e \u003cp\u003e\u003cbr\u003e H\u003csub\u003e2\u003c\/sub\u003eSO\u003csub\u003e3\u003c\/sub\u003e + I\u003csub\u003e2 \u003c\/sub\u003e→ H\u003csub\u003e2\u003c\/sub\u003eSO\u003csub\u003e4\u003c\/sub\u003e + 2HI\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplacement reagents\u003c\/td\u003e\n\u003ctd\u003erequired to operate the HI-84500 include:\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\" style=\"text-align:left;\"\u003e\u003cstrong\u003eLOW RANGE - 1.0 to 40.0 ppm SO2\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump calibration standard\u003c\/td\u003e\n\u003ctd\u003eHI-84500-55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTitrant solution\u003c\/td\u003e\n\u003ctd\u003eHI-84500-50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcid reagent\u003c\/td\u003e\n\u003ctd\u003eHI-84500-60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlkaline reagent (Total SO2)\u003c\/td\u003e\n\u003ctd\u003eHI-84500-61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\" style=\"text-align:left;\"\u003e\u003cstrong\u003eHIGH RANGE - 30 to 400 ppm SO2\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump calibration standard\u003c\/td\u003e\n\u003ctd\u003eHI-84500-55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTitrant solution\u003c\/td\u003e\n\u003ctd\u003eHI-84500-51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcid reagent\u003c\/td\u003e\n\u003ctd\u003eHI-84500-60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlkaline reagent (Total SO2)\u003c\/td\u003e\n\u003ctd\u003eHI-84500-61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eBottles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e230ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":57640091582837,"sku":"HI-84500-60","price":33.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/hi-84500-60-acid-reagent-for-wine-analysis-230ml.jpg?v=1791581077","url":"https:\/\/testallwater.co.uk\/products\/hanna-instruments-hi-84500-60-acid-reagent-for-wine-analysis-230ml","provider":"Test All Water","version":"1.0","type":"link"}