{"id":287,"date":"2010-02-05T22:39:57","date_gmt":"2010-02-05T22:39:57","guid":{"rendered":"https:\/\/www.coleparmer.com\/blog\/?p=287"},"modified":"2023-06-19T09:57:58","modified_gmt":"2023-06-19T14:57:58","slug":"chemical-testing","status":"publish","type":"post","link":"https:\/\/www.coleparmer.com\/blog\/chemical-testing\/","title":{"rendered":"Take Our Chemical Testing Challenge"},"content":{"rendered":"

Take our tech challenge on chemical testing<\/h2>\n

The U.S. EPA was testing rivers and lakes for chemical levels. The technician detected above-regulation levels in Lake Somhe, including phenol, toluene, mercury, oils, and more. There are a dozen different factories and pipelines which empty into Lake Somhe, and the EPA needs to determine which of these sources is contributing to the unacceptable chemical levels before doing a more in-depth analysis at the individual site.<\/p>\n

The EPA contacted Cole-Parmer<\/a> to find instruments or tests that can help them quickly and easily determine which sites are causing the problem.<\/p>\n

Which test would be most effective for their purpose?<\/p>\n

    \n
  1. Recommend a chemical classifier which work similar to a pH paper strip.<\/li>\n
  2. Suggest the technician start with a colorimeter to determine phenol and toluene levels.<\/li>\n
  3. Suggest a gas chromatograph and mass spectrophotometer to determine phenol and toluene levels.<\/li>\n
  4. Have the EPA collect samples from each site and send to an independent testing laboratory.<\/li>\n<\/ol>\n

    See the answer.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    Take our tech challenge on chemical testing The U.S. EPA was testing rivers and lakes for chemical levels. The technician detected above-regulation levels in Lake Somhe, including phenol, toluene, mercury, oils, and more. There are…<\/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":[],"class_list":["post-287","post","type-post","status-publish","format-standard","hentry","category-tech-challenge"],"yoast_head":"\nChemical Testing Tech Challenge - from Cole-Parmer<\/title>\n<meta name=\"description\" content=\"Think you know it all? 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