{"id":1220,"date":"2011-04-21T13:32:48","date_gmt":"2011-04-21T18:32:48","guid":{"rendered":"https:\/\/www.coleparmer.com\/blog\/?p=1220"},"modified":"2019-09-24T11:29:44","modified_gmt":"2019-09-24T17:29:44","slug":"challenge-whats-the-best-instrument-to-test-the-concentration-of-sulfuric-acid-under-these-conditions","status":"publish","type":"post","link":"https:\/\/www.coleparmer.com\/blog\/challenge-whats-the-best-instrument-to-test-the-concentration-of-sulfuric-acid-under-these-conditions\/","title":{"rendered":"Challenge:  What\u2019s the Best Instrument to Test the Concentration of Sulfuric Acid Under these Conditions?"},"content":{"rendered":"<p><strong>Testing Sulfuric Acid Concentration<\/strong><\/p>\n<p><a href=\"https:\/\/www.coleparmer.com\/blog\/wp-content\/uploads\/2011\/04\/techchalllenge.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-1222\" title=\"TechChalllenge\" src=\"https:\/\/www.coleparmer.com\/blog\/wp-content\/uploads\/2011\/04\/techchalllenge.gif\" alt=\"\" width=\"125\" height=\"91\"><\/a>Battery Recycling has contacted you for a way to measure the concentration of their battery acid. The samples are generally warm after use, up to 35\u00b0C, and concentrations can be as high as 50%.<\/p>\n<p>What is the best instrument to test the concentration of sulfuric acid under these conditions?<\/p>\n<p>A. Use waterproof non-glass ISFET pH testers and suggest that the customer convert pH to hydrogen ion concentration, and then calculate the molar concentration of the acid.<\/p>\n<p>B. Use a Reichert coolant\/battery acid refractometer with automatic temperature compensation, then a chart to see the correlation between the RI value displayed and the acid concentration.<\/p>\n<p>C. Use an Atago coolant\/battery acid refractometer, then a chart to see the correlation between the RI value and acid concentration<\/p>\n<p>D. Use an Oakton\u00ae Waterproof pHTestr\u00ae 10 and suggest that the customer convert pH into hydrogen ion concentration, and then molar concentration of the acid.<\/p>\n<p><a href=\"https:\/\/www.coleparmer.com\/techinfo\/techinfo.asp?htmlfile=TechChallenge_4_11.htm&amp;referred_id=5618#anchor2\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">See answer.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Testing Sulfuric Acid Concentration Battery Recycling has contacted you for a way to measure the concentration of their battery acid. The samples are generally warm after use, up to 35\u00b0C, and concentrations can be as&#8230;<\/p>\n","protected":false},"author":20,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[1552,1578,1613],"class_list":["post-1220","post","type-post","status-publish","format-standard","hentry","category-tech-challenge","tag-sulfuric-acid","tag-tech-challenge","tag-testing-sulfuric-acid-concentration"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Challenge: What\u2019s the Best Instrument to Test the Concentration of Sulfuric Acid Under these Conditions? | from Cole-Parmer Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.coleparmer.co.uk\/blog\/challenge-whats-the-best-instrument-to-test-the-concentration-of-sulfuric-acid-under-these-conditions\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Challenge: What\u2019s the Best Instrument to Test the Concentration of Sulfuric Acid Under these Conditions? | from Cole-Parmer Blog\" \/>\n<meta property=\"og:description\" content=\"Testing Sulfuric Acid Concentration Battery Recycling has contacted you for a way to measure the concentration of their battery acid. The samples are generally warm after use, up to 35\u00b0C, and concentrations can be as...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.coleparmer.co.uk\/blog\/challenge-whats-the-best-instrument-to-test-the-concentration-of-sulfuric-acid-under-these-conditions\/\" \/>\n<meta property=\"og:site_name\" content=\"Cole-Parmer Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/antylia\" \/>\n<meta property=\"article:published_time\" content=\"2011-04-21T18:32:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-09-24T17:29:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.coleparmer.com\/blog\/wp-content\/uploads\/2011\/04\/techchalllenge.gif\" \/>\n<meta name=\"author\" content=\"Cole-Parmer Blog Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@antylia\" \/>\n<meta name=\"twitter:site\" content=\"@antylia\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Cole-Parmer Blog Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Challenge: What\u2019s the Best Instrument to Test the Concentration of Sulfuric Acid Under these Conditions? | from Cole-Parmer Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.coleparmer.co.uk\/blog\/challenge-whats-the-best-instrument-to-test-the-concentration-of-sulfuric-acid-under-these-conditions\/","og_locale":"en_US","og_type":"article","og_title":"Challenge: What\u2019s the Best Instrument to Test the Concentration of Sulfuric Acid Under these Conditions? | from Cole-Parmer Blog","og_description":"Testing Sulfuric Acid Concentration Battery Recycling has contacted you for a way to measure the concentration of their battery acid. The samples are generally warm after use, up to 35\u00b0C, and concentrations can be as...","og_url":"https:\/\/www.coleparmer.co.uk\/blog\/challenge-whats-the-best-instrument-to-test-the-concentration-of-sulfuric-acid-under-these-conditions\/","og_site_name":"Cole-Parmer Blog","article_publisher":"https:\/\/www.facebook.com\/antylia","article_published_time":"2011-04-21T18:32:48+00:00","article_modified_time":"2019-09-24T17:29:44+00:00","og_image":[{"url":"https:\/\/www.coleparmer.com\/blog\/wp-content\/uploads\/2011\/04\/techchalllenge.gif","type":"","width":"","height":""}],"author":"Cole-Parmer Blog Team","twitter_card":"summary_large_image","twitter_creator":"@antylia","twitter_site":"@antylia","twitter_misc":{"Written by":"Cole-Parmer Blog Team","Est. reading time":"1 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