{"id":4969,"date":"2024-02-24T09:26:08","date_gmt":"2024-02-24T01:26:08","guid":{"rendered":"https:\/\/chimaytech.net\/?p=4969"},"modified":"2024-02-24T12:06:48","modified_gmt":"2024-02-24T04:06:48","slug":"how-to-test-di-water-quality","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/ja\/how-to-test-di-water-quality\/","title":{"rendered":"\u6c34\u8cea\u691c\u67fb\u65b9\u6cd5"},"content":{"rendered":"

\u7d14\u6c34\u306e\u6c34\u8cea\u691c\u67fb\u306e\u91cd\u8981\u6027<\/p>\n

\u8131\u30a4\u30aa\u30f3 (DI) \u6c34\u306f\u3001\u8131\u30a4\u30aa\u30f3\u3068\u547c\u200b\u200b\u3070\u308c\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u901a\u3058\u3066\u3059\u3079\u3066\u306e\u30a4\u30aa\u30f3\u304c\u9664\u53bb\u3055\u308c\u305f\u7cbe\u88fd\u6c34\u306e\u4e00\u7a2e\u3067\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u88fd\u85ac\u3001\u30a8\u30ec\u30af\u30c8\u30ed\u30cb\u30af\u30b9\u3001\u5b9f\u9a13\u5ba4\u7814\u7a76\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u696d\u754c\u3067\u4e0d\u53ef\u6b20\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001DI \u6c34\u306e\u54c1\u8cea\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u306f\u3001\u305d\u308c\u306b\u4f9d\u5b58\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3084\u5b9f\u9a13\u306e\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002 DI \u6c34\u306e\u54c1\u8cea\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u306f\u3001\u5fc5\u8981\u306a\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3001\u7d14\u5ea6\u3092\u640d\u306a\u3046\u53ef\u80fd\u6027\u306e\u3042\u308b\u6c5a\u67d3\u7269\u8cea\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u624b\u9806\u3067\u3059\u3002<\/p>\n

DI \u6c34\u306e\u54c1\u8cea\u3092\u30c6\u30b9\u30c8\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6700\u3082\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u306e 1 \u3064\u306f\u3001\u5c0e\u96fb\u7387\u6e2c\u5b9a\u3067\u3059\u3002\u5c0e\u96fb\u7387\u306f\u3001\u6eb6\u6db2\u304c\u96fb\u6d41\u3092\u6d41\u3059\u80fd\u529b\u306e\u5c3a\u5ea6\u3067\u3042\u308a\u3001\u6c34\u4e2d\u306b\u5b58\u5728\u3059\u308b\u30a4\u30aa\u30f3\u306e\u6fc3\u5ea6\u306b\u76f4\u63a5\u95a2\u4fc2\u3057\u307e\u3059\u3002\u8131\u30a4\u30aa\u30f3\u6c34\u306f\u30a4\u30aa\u30f3\u304c\u5b58\u5728\u3057\u306a\u3044\u305f\u3081\u3001\u7406\u60f3\u7684\u306b\u306f\u5c0e\u96fb\u7387\u304c\u975e\u5e38\u306b\u4f4e\u304f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u305f\u3081\u3001\u3053\u306e\u6a19\u6e96\u304b\u3089\u306e\u9038\u8131\u306f\u4e0d\u7d14\u7269\u306e\u5b58\u5728\u3092\u793a\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5c0e\u96fb\u7387\u8a08\u306f\u5e83\u304f\u5165\u624b\u53ef\u80fd\u3067\u4f7f\u3044\u3084\u3059\u3044\u305f\u3081\u3001\u8131\u30a4\u30aa\u30f3\u6c34\u306e\u54c1\u8cea\u3092\u30c6\u30b9\u30c8\u3059\u308b\u969b\u306b\u3088\u304f\u9078\u3070\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u8131\u30a4\u30aa\u30f3\u6c34\u306e\u54c1\u8cea\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3068\u304d\u306b\u8003\u616e\u3059\u3079\u304d\u3082\u3046 1 \u3064\u306e\u91cd\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u3001\u7dcf\u6709\u6a5f\u70ad\u7d20 (TOC) \u542b\u6709\u91cf\u3067\u3059\u3002\u6709\u6a5f\u6c5a\u67d3\u7269\u8cea\u306f\u3001\u8caf\u8535\u30bf\u30f3\u30af\u3001\u914d\u7ba1\u3001\u74b0\u5883\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u539f\u56e0\u3092\u901a\u3058\u3066\u8131\u30a4\u30aa\u30f3\u6c34\u306b\u6df7\u5165\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 TOC \u30ec\u30d9\u30eb\u3092\u76e3\u8996\u3059\u308b\u3053\u3068\u306f\u3001\u6f5c\u5728\u7684\u306a\u6c5a\u67d3\u6e90\u3092\u7279\u5b9a\u3057\u3001\u6c34\u3092\u78ba\u5b9f\u306b\u7d14\u7c8b\u306b\u4fdd\u3064\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 TOC \u5206\u6790\u88c5\u7f6e\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u4e2d\u306b\u5b58\u5728\u3059\u308b\u70ad\u7d20\u306e\u91cf\u3092\u6e2c\u5b9a\u3059\u308b\u3088\u3046\u306b\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u8131\u30a4\u30aa\u30f3\u6c34\u306e\u5168\u4f53\u7684\u306a\u54c1\u8cea\u306b\u95a2\u3059\u308b\u8cb4\u91cd\u306a\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n

\u8131\u30a4\u30aa\u30f3\u6c34\u306e\u54c1\u8cea\u3092\u8a55\u4fa1\u3059\u308b\u5834\u5408\u3001\u5c0e\u96fb\u7387\u3068 TOC \u6e2c\u5b9a\u306b\u52a0\u3048\u3066\u3001\u5fae\u751f\u7269\u6c5a\u67d3\u306e\u30c6\u30b9\u30c8\u3082\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u901a\u5e38\u3001\u8131\u30a4\u30aa\u30f3\u6c34\u306b\u306f\u8131\u30a4\u30aa\u30f3\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u308a\u30d0\u30af\u30c6\u30ea\u30a2\u3084\u305d\u306e\u4ed6\u306e\u5fae\u751f\u7269\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u305d\u308c\u3067\u3082\u4fdd\u7ba1\u4e2d\u3084\u53d6\u308a\u6271\u3044\u4e2d\u306b\u6c5a\u67d3\u3055\u308c\u3084\u3059\u3044\u3067\u3059\u3002\u5fae\u751f\u7269\u691c\u67fb\u3067\u306f\u3001\u6c34\u30b5\u30f3\u30d7\u30eb\u3092\u5bd2\u5929\u30d7\u30ec\u30fc\u30c8\u4e0a\u3067\u57f9\u990a\u3057\u3001\u5b58\u5728\u3059\u308b\u7d30\u83cc\u3092\u5897\u6b96\u3055\u305b\u308b\u305f\u3081\u306b\u305d\u308c\u3089\u3092\u57f9\u990a\u3057\u307e\u3059\u3002\u5fae\u751f\u7269\u30ec\u30d9\u30eb\u3092\u5b9a\u671f\u7684\u306b\u76e3\u8996\u3059\u308b\u3053\u3068\u3067\u3001\u6f5c\u5728\u7684\u306a\u554f\u984c\u3092\u691c\u51fa\u3057\u3001DI \u6c34\u306e\u7d14\u5ea6\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306e\u662f\u6b63\u63aa\u7f6e\u3092\u8b1b\u3058\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/h1>\n

\n\u3055\u3089\u306b\u3001pH \u6e2c\u5b9a\u306f\u3001DI \u6c34\u306e\u54c1\u8cea\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3082\u3046 1 \u3064\u306e\u91cd\u8981\u306a\u5074\u9762\u3067\u3059\u3002\u6c34\u306e pH \u30ec\u30d9\u30eb\u306f\u9178\u6027\u307e\u305f\u306f\u30a2\u30eb\u30ab\u30ea\u6027\u3092\u793a\u3057\u3001\u3055\u307e\u3056\u307e\u306a\u30d7\u30ed\u30bb\u30b9\u3084\u5b9f\u9a13\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u8131\u30a4\u30aa\u30f3\u6c34\u306f\u3001\u7406\u60f3\u7684\u306b\u306f\u4e2d\u6027 pH 7 \u7a0b\u5ea6\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5024\u304b\u3089\u9038\u8131\u3059\u308b\u3068\u3001\u7279\u5b9a\u306e\u5316\u5b66\u7269\u8cea\u3084\u6750\u6599\u3068\u306e\u9069\u5408\u6027\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 pH \u30e1\u30fc\u30bf\u30fc\u306f\u4e00\u822c\u306b\u3001\u8131\u30a4\u30aa\u30f3\u6c34\u306e\u9178\u6027\u5ea6\u307e\u305f\u306f\u30a2\u30eb\u30ab\u30ea\u5ea6\u3092\u6b63\u78ba\u306b\u6e2c\u5b9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u305d\u306e\u5168\u4f53\u7684\u306a\u54c1\u8cea\u306b\u95a2\u3059\u308b\u8cb4\u91cd\u306a\u6d1e\u5bdf\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n

\u5168\u4f53\u3068\u3057\u3066\u3001\u8131\u30a4\u30aa\u30f3\u6c34\u306e\u54c1\u8cea\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u306f\u3001\u3053\u306e\u91cd\u8981\u306a\u30ea\u30bd\u30fc\u30b9\u306b\u4f9d\u5b58\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u4fe1\u983c\u6027\u3068\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u57fa\u672c\u7684\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002 \u3002\u5c0e\u96fb\u7387\u3001TOC\u3001\u5fae\u751f\u7269\u6c5a\u67d3\u3001pH\u306a\u3069\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u76e3\u8996\u3059\u308b\u3053\u3068\u3067\u3001\u6f5c\u5728\u7684\u306a\u554f\u984c\u3092\u7279\u5b9a\u3057\u3001DI\u6c34\u306e\u7d14\u5ea6\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6c5a\u67d3\u3092\u9632\u6b62\u3057\u3001\u7d14\u6c34\u304c\u3055\u307e\u3056\u307e\u306a\u696d\u754c\u3067\u306e\u4f7f\u7528\u306b\u5fc5\u8981\u306a\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u5b9a\u671f\u7684\u306a\u30c6\u30b9\u30c8\u3068\u54c1\u8cea\u7ba1\u7406\u5bfe\u7b56\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u9ad8\u54c1\u8cea\u306e\u8131\u30a4\u30aa\u30f3\u6c34\u306b\u4f9d\u5b58\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3068\u5b9f\u9a13\u306e\u5b8c\u5168\u6027\u3092\u4fdd\u8b77\u3059\u308b\u306b\u306f\u3001\u9069\u5207\u306a\u8a66\u9a13\u88c5\u7f6e\u3068\u624b\u9806\u3078\u306e\u6295\u8cc7\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n

\n\"alt-197\"
\nFurthermore, pH measurement is another critical aspect of testing DI water quality. The pH level of water indicates its acidity or alkalinity, which can have a significant impact on various processes and experiments. DI water should ideally have a neutral pH of around 7, as deviations from this value could affect its compatibility with certain chemicals or materials. pH meters are commonly used to measure the acidity or alkalinity of DI water accurately, providing valuable insights into its overall quality.<\/p>\n

Overall, testing DI water quality is a fundamental step in ensuring the reliability and consistency of processes that rely on this essential resource. By monitoring parameters such as conductivity, TOC, microbial contamination, and pH, it is possible to identify any potential issues and maintain the purity of DI water. Regular testing and quality control measures are essential to prevent contamination and ensure that DI water meets the required standards for use in various industries. Investing in proper testing equipment and procedures is crucial to safeguarding the integrity of processes and experiments that depend on high-quality DI water.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u7d14\u6c34\u306e\u6c34\u8cea\u691c\u67fb\u306e\u91cd\u8981\u6027 \u8131\u30a4\u30aa\u30f3 (DI) \u6c34\u306f\u3001\u8131\u30a4\u30aa\u30f3\u3068\u547c\u200b\u200b\u3070\u308c\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u901a\u3058\u3066\u3059\u3079\u3066\u306e\u30a4\u30aa\u30f3\u304c\u9664\u53bb\u3055\u308c\u305f\u7cbe\u88fd\u6c34\u306e\u4e00\u7a2e\u3067\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u88fd\u85ac\u3001\u30a8\u30ec\u30af\u30c8\u30ed\u30cb\u30af\u30b9\u3001\u5b9f\u9a13\u5ba4\u7814\u7a76\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u696d\u754c\u3067\u4e0d\u53ef\u6b20\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001DI \u6c34\u306e\u54c1\u8cea\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u306f\u3001\u305d\u308c\u306b\u4f9d\u5b58\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3084\u5b9f\u9a13\u306e\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002 DI \u6c34\u306e\u54c1\u8cea\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u306f\u3001\u5fc5\u8981\u306a\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3001\u7d14\u5ea6\u3092\u640d\u306a\u3046\u53ef\u80fd\u6027\u306e\u3042\u308b\u6c5a\u67d3\u7269\u8cea\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u624b\u9806\u3067\u3059\u3002 DI \u6c34\u306e\u54c1\u8cea\u3092\u30c6\u30b9\u30c8\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6700\u3082\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u306e 1 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\u8131\u30a4\u30aa\u30f3\u6c34\u306e\u54c1\u8cea\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3068\u304d\u306b\u8003\u616e\u3059\u3079\u304d\u3082\u3046 1 \u3064\u306e\u91cd\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u3001\u7dcf\u6709\u6a5f\u70ad\u7d20 (TOC) \u542b\u6709\u91cf\u3067\u3059\u3002\u6709\u6a5f\u6c5a\u67d3\u7269\u8cea\u306f\u3001\u8caf\u8535\u30bf\u30f3\u30af\u3001\u914d\u7ba1\u3001\u74b0\u5883\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u539f\u56e0\u3092\u901a\u3058\u3066\u8131\u30a4\u30aa\u30f3\u6c34\u306b\u6df7\u5165\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 TOC \u30ec\u30d9\u30eb\u3092\u76e3\u8996\u3059\u308b\u3053\u3068\u306f\u3001\u6f5c\u5728\u7684\u306a\u6c5a\u67d3\u6e90\u3092\u7279\u5b9a\u3057\u3001\u6c34\u3092\u78ba\u5b9f\u306b\u7d14\u7c8b\u306b\u4fdd\u3064\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 TOC \u5206\u6790\u88c5\u7f6e\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u4e2d\u306b\u5b58\u5728\u3059\u308b\u70ad\u7d20\u306e\u91cf\u3092\u6e2c\u5b9a\u3059\u308b\u3088\u3046\u306b\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u8131\u30a4\u30aa\u30f3\u6c34\u306e\u5168\u4f53\u7684\u306a\u54c1\u8cea\u306b\u95a2\u3059\u308b\u8cb4\u91cd\u306a\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 \u8131\u30a4\u30aa\u30f3\u6c34\u306e\u54c1\u8cea\u3092\u8a55\u4fa1\u3059\u308b\u5834\u5408\u3001\u5c0e\u96fb\u7387\u3068 TOC 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