{"id":6217,"date":"2026-01-12T05:50:11","date_gmt":"2026-01-12T05:50:11","guid":{"rendered":"https:\/\/www.hcftir.com\/?p=6217"},"modified":"2026-01-12T05:50:12","modified_gmt":"2026-01-12T05:50:12","slug":"background-interference-in-ftir-analysis-sources-and-effective-elimination-methods","status":"publish","type":"post","link":"https:\/\/www.hcftir.com\/ja\/background-interference-in-ftir-analysis-sources-and-effective-elimination-methods-article\/","title":{"rendered":"FTIR\u5206\u6790\u306b\u304a\u3051\u308b\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u5e72\u6e09\uff1a\u767a\u751f\u6e90\u3068\u52b9\u679c\u7684\u306a\u9664\u53bb\u65b9\u6cd5"},"content":{"rendered":"

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\u5927\u6c17\u4e2d\u306eH\u2082O<\/td>3400 cm-\u00b9\u4ed8\u8fd1\u306b\u30d6\u30ed\u30fc\u30c9\u30d0\u30f3\u30c9\uff1b1640 cm-\u00b9\u306b\u30d4\u30fc\u30af<\/td>\u9ad8\u3044\u5468\u56f2\u6e7f\u5ea6<\/td>\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30b9\u30ad\u30e3\u30f3\u540c\u671f\u3001\u30c9\u30e9\u30a4\u30ac\u30b9\u30d1\u30fc\u30b8\u3001\u6e7f\u5ea6\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/td><\/tr>
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\n

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1.\u5927\u6c17\u6210\u5206\u306e\u5e72\u6e09\uff08\u6700\u3082\u4e00\u822c\u7684\u306a\u3082\u306e\uff09<\/h2>\n\n\n\n

\u5e72\u6e09\u306e\u539f\u56e0<\/h3>\n\n\n\n

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    \n
  • H\u2082O<\/strong>:3400 cm-\u00b9\u4ed8\u8fd1\u306b\u30d6\u30ed\u30fc\u30c9\u306a\u5438\u53ce\u30011640 cm-\u00b9\u4ed8\u8fd1\u306b\u5c48\u66f2\u632f\u52d5\u3002<\/li>\n\n\n\n
  • CO\u2082<\/strong>:2360cm-\u00b9\u30012340cm-\u00b9\u3001667cm-\u00b9\u306b\u5f37\u3044\u5438\u53ce\u30d0\u30f3\u30c9\u3092\u6301\u3064\u3002<\/li>\n<\/ul>\n\n\n\n

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      \n
    • \u4e7e\u71e5\u3057\u305f\u9ad8\u7d14\u5ea6\u7a92\u7d20\u307e\u305f\u306f\u4e7e\u71e5\u7a7a\u6c17\u3067\u5149\u8def\u3092\u9023\u7d9a\u7684\u306b\u30d1\u30fc\u30b8\u3059\u308b\u3002<\/li>\n\n\n\n
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        \n
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        \n
        \"\u30d5\u30fc\u30ea\u30a8\u5909\u63db\u8d64\u5916\u5206\u5149\u6cd5\"<\/figure><\/div>\n\n\n

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        \u5e72\u6e09\u306e\u539f\u56e0<\/h3>\n\n\n\n

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          \n
        • \u7d14\u5ea699.9%\u4ee5\u4e0a\u306e\u5206\u5149\u5b66\u30b0\u30ec\u30fc\u30c9\u306eKBr\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n\n\n\n
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            \n
          • \u6563\u4e71\u306e\u5f71\u97ff\u3092\u6e1b\u3089\u3059\u305f\u3081\u3001\u4e7e\u71e5KBr\u30922\u03bcm\u4ee5\u4e0b\u306e\u7c92\u5ea6\u306b\u7c89\u7815\u3059\u308b\u3002<\/li>\n\n\n\n
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            \n
            \"\u30d5\u30fc\u30ea\u30a8\u5909\u63db\u8d64\u5916\u5206\u5149\u6cd5\"<\/figure><\/div>\n\n\n

            3.\u8a66\u6599\u81ea\u4f53\u306b\u8d77\u56e0\u3059\u308b\u5e72\u6e09<\/h2>\n\n\n\n

            \u5e72\u6e09\u306e\u539f\u56e0<\/h3>\n\n\n\n

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              \n
            • \u56fa\u4f53\u30b5\u30f3\u30d7\u30eb\uff1a\u518d\u7d50\u6676\u3001\u62bd\u51fa\u3001\u84b8\u7559\u306b\u3088\u308b\u4e0d\u7d14\u7269\u306e\u9664\u53bb<\/li>\n\n\n\n
            • \u6db2\u4f53\u30b5\u30f3\u30d7\u30eb\uff1a\u771f\u7a7a\u84b8\u767a\u6cd5\u3067\u6eb6\u5a92\u3092\u9664\u53bb\u3059\u308b\u304b\u3001\u7121\u6c34\u786b\u9178\u30ca\u30c8\u30ea\u30a6\u30e0\u3067\u4e7e\u71e5\u3059\u308b\u3002<\/li>\n\n\n\n
            • \u6c34\u3092\u542b\u3080\u8a66\u6599\u3067\u306f\u3001\u6c34\u306e\u5438\u53ce\u5e2f\u4ee5\u5916\u306e\u9818\u57df\u3092\u5206\u6790\u3059\u308b\u969b\u306b\u3001\u793a\u5dee\u5206\u5149\u6cd5\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li>\n<\/ul>\n\n\n\n

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                \n
              • \u56fa\u4f53\u8a66\u6599\u30922\u03bcm\u4ee5\u4e0b\u306e\u7c92\u5ea6\u306b\u7c89\u7815\u3059\u308b<\/li>\n\n\n\n
              • \u3042\u308b\u3044\u306f\u3001\u30d1\u30e9\u30d5\u30a3\u30f3\u30aa\u30a4\u30eb\u3092\u4f7f\u3063\u305f\u30de\u30eb\u30fb\u30e1\u30bd\u30c3\u30c9\u3067\u6563\u4e71\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3002<\/li>\n<\/ul>\n\n\n
                \n
                \"\u30d5\u30fc\u30ea\u30a8\u5909\u63db\u8d64\u5916\u5206\u5149\u6cd5\"<\/figure><\/div>\n\n\n

                4.\u6a5f\u5668\u30b7\u30b9\u30c6\u30e0\u306e\u5e72\u6e09<\/h2>\n\n\n\n

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                  \n
                • \u8d64\u5916\u7dda\u5149\u6e90\u306e\u8001\u673d\u5316\u3084\u96fb\u6e90\u306e\u5909\u52d5\u306b\u3088\u308b\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u30c9\u30ea\u30d5\u30c8<\/li>\n\n\n\n
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                    \n
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                  • \u5b89\u5b9a\u3057\u305f\u96fb\u6e90\u4f9b\u7d66\u306e\u78ba\u4fdd<\/li>\n\n\n\n
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                    \u6e2c\u5b9a\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u6700\u9069\u5316<\/strong><\/p>\n\n\n\n

                      \n
                    • S\/N\u6bd4\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306b\u30b9\u30ad\u30e3\u30f3\u56de\u6570\u3092\u5897\u3084\u3059\uff08\u4f8b\u3048\u307064\u56de\u3084128\u56de\uff09\u3002<\/li>\n\n\n\n
                    • \u30eb\u30fc\u30c1\u30f3\u6e2c\u5b9a\u3067\u306f\u3001\u30ce\u30a4\u30ba\u3068\u30d4\u30fc\u30af\u306e\u660e\u77ad\u5ea6\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3068\u308b\u305f\u3081\u30014cm\u00b9\u306e\u5206\u89e3\u80fd\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<\/ul>\n\n\n\n

                      \u5b9f\u8df5\u7684\u306a\u53ce\u7a6b<\/h2>\n\n\n\n

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                      \"\u30d5\u30fc\u30ea\u30a8\u5909\u63db\u8d64\u5916\u5206\u5149\u6cd5\"<\/figure>","protected":false},"excerpt":{"rendered":"

                      FTIR\u30a2\u30af\u30bb\u30b5\u30ea\u30fc\u3067\u306f\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u5e72\u6e09\u304c\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u306e\u5e73\u5766\u6027\u3001\u30d4\u30fc\u30af\u5f62\u72b6\u306e\u7cbe\u5ea6\u3001\u5b9a\u6027\u304a\u3088\u3073\u5b9a\u91cf\u5206\u6790\u306e\u4fe1\u983c\u6027\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u3059\u3002\u5236\u5fa1\u3055\u308c\u3066\u3044\u306a\u3044\u5e72\u6e09\u306f\u3001\u7279\u306b\u5fae\u91cf\u307e\u305f\u306f\u9ad8\u7cbe\u5ea6\u306e\u6e2c\u5b9a\u306b\u304a\u3044\u3066\u3001\u5f31\u3044\u5438\u53ce\u30d0\u30f3\u30c9\u3092\u4e0d\u660e\u77ad\u306b\u3057\u3001\u30b9\u30da\u30af\u30c8\u30eb\u306e\u7279\u5fb4\u3092\u6b6a\u3081\u3001\u518d\u73fe\u6027\u3092\u640d\u306a\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u65e5\u5e38\u7684\u306a\u30e9\u30dc\u306e\u64cd\u4f5c\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306b\u3001\u6700\u3082\u4e00\u822c\u7684\u306a\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u5e72\u6e09\u6e90\u3068\u305d\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u8efd\u6e1b\u7b56\u3092\u4ee5\u4e0b\u306b\u8981\u7d04\u3057\u307e\u3059\u3002\u88681.\u4e00\u822c\u7684\u306aFTIR\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u5e72\u6e09\u3068\u5b9f\u7528\u7684\u306a\u5bfe\u7b56 \u5e72\u6e09\u30ab\u30c6\u30b4\u30ea\u30fc \u4ee3\u8868\u7684\u306a\u30b9\u30da\u30af\u30c8\u30eb\u306e\u7279\u5fb4 \u4e3b\u306a\u539f\u56e0 \u63a8\u5968\u3055\u308c\u308b\u5bfe\u7b56 \u5927\u6c17\u4e2d\u306eH\u2082O 3400cm-\u00b9\u4ed8\u8fd1\u306e\u30d6\u30ed\u30fc\u30c9\u30d0\u30f3\u30c9\uff1b1640cm-\u00b9\u306b\u30d4\u30fc\u30af \u5927\u6c17\u4e2d\u306e\u6e7f\u5ea6\u304c\u9ad8\u3044 \u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30b9\u30ad\u30e3\u30f3\u306e\u540c\u671f\uff1b\u4e7e\u71e5\u30ac\u30b9\u30d1\u30fc\u30b8\uff1b\u6e7f\u5ea6\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u5927\u6c17\u4e2d\u306eCO\u2082 2360\u3001[...]\u306b\u30d4\u30fc\u30af<\/p>","protected":false},"author":1,"featured_media":6218,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[238],"tags":[],"class_list":["post-6217","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"\nBackground Interference in FTIR Analysis: Sources and Effective Elimination Methods - Hench Technology<\/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.hcftir.com\/ja\/background-interference-in-ftir-analysis-sources-and-effective-elimination-methods-article\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Background Interference in FTIR Analysis: Sources and Effective Elimination Methods - Hench Technology\" \/>\n<meta property=\"og:description\" content=\"In FTIR Accessories, background interference has a direct impact on baseline flatness, peak shape accuracy, and the reliability of both qualitative and quantitative analysis. Uncontrolled interference can obscure weak absorption bands, distort spectral features, and compromise reproducibility, particularly in trace or high-precision measurements. To support routine laboratory operation and troubleshooting, the most common sources of background interference and their corresponding mitigation strategies are summarized below. Table 1. Common FTIR Background Interference and Practical Countermeasures Interference Category Typical Spectral Features Primary Cause Recommended Action Atmospheric H\u2082O Broad band near 3400 cm\u207b\u00b9; peak at 1640 cm\u207b\u00b9 High ambient humidity Background scan synchronization; dry gas purging; humidity control Atmospheric CO\u2082 Peaks at 2360, […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.hcftir.com\/ja\/background-interference-in-ftir-analysis-sources-and-effective-elimination-methods-article\/\" \/>\n<meta property=\"og:site_name\" content=\"Hench Technology\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/hcftir\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-12T05:50:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-12T05:50:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.hcftir.com\/wp-content\/uploads\/2026\/01\/Fourier-Transform-Infrared-Spectroscopy-4.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"user\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"user\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.hcftir.com\/background-interference-in-ftir-analysis-sources-and-effective-elimination-methods-article\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.hcftir.com\/background-interference-in-ftir-analysis-sources-and-effective-elimination-methods-article\/\"},\"author\":{\"name\":\"user\",\"@id\":\"https:\/\/www.hcftir.com\/#\/schema\/person\/9a0e27c1156d5a1d4cb23dce2cc5ad36\"},\"headline\":\"Background Interference in FTIR Analysis: Sources and Effective Elimination Methods\",\"datePublished\":\"2026-01-12T05:50:11+00:00\",\"dateModified\":\"2026-01-12T05:50:12+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.hcftir.com\/background-interference-in-ftir-analysis-sources-and-effective-elimination-methods-article\/\"},\"wordCount\":821,\"publisher\":{\"@id\":\"https:\/\/www.hcftir.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.hcftir.com\/background-interference-in-ftir-analysis-sources-and-effective-elimination-methods-article\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.hcftir.com\/wp-content\/uploads\/2026\/01\/Fourier-Transform-Infrared-Spectroscopy-4.webp\",\"articleSection\":[\"News\"],\"inLanguage\":\"ja\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.hcftir.com\/background-interference-in-ftir-analysis-sources-and-effective-elimination-methods-article\/\",\"url\":\"https:\/\/www.hcftir.com\/background-interference-in-ftir-analysis-sources-and-effective-elimination-methods-article\/\",\"name\":\"Background Interference in FTIR Analysis: Sources and Effective Elimination Methods - 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Uncontrolled interference can obscure weak absorption bands, distort spectral features, and compromise reproducibility, particularly in trace or high-precision measurements. To support routine laboratory operation and troubleshooting, the most common sources of background interference and their corresponding mitigation strategies are summarized below. Table 1. 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