{"id":4917,"date":"2021-12-15T15:07:37","date_gmt":"2021-12-15T15:07:37","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=4917"},"modified":"2026-04-28T10:41:53","modified_gmt":"2026-04-28T10:41:53","slug":"can-the-reagents-that-have-been-stored-for-a-long-time-be-used","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/zh\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/","title":{"rendered":"\u5b58\u653e\u4e86\u5f88\u957f\u65f6\u95f4\u7684\u8bd5\u5242\u8fd8\u80fd\u4f7f\u7528\u5417\uff1f"},"content":{"rendered":"<!-- lc-qa-start -->\n<p><strong>Quick answer:<\/strong> A practical chemical-sourcing decision starts with the intended use first, then verifies purity, compatibility, storage, and process behavior before scale-up.<\/p>\n<!-- lc-qa-end -->\n\n\n<p>\u5982\u4f55\u786e\u5b9a\u8bd5\u5242\u7684\u6709\u6548\u671f<\/p>\n\n\n\n<p>\u8bd5\u5242\u7684\u6709\u6548\u65e5\u671f\u662f\u5f71\u54cd\u5b9e\u9a8c\u7ed3\u679c\u51c6\u786e\u6027\u7684\u91cd\u8981\u56e0\u7d20\u3002\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u4eba\u4eec\u603b\u662f\u4e60\u60ef\u4ee5\u751f\u4ea7\u65e5\u671f\u6765\u5224\u65ad\u5316\u5b66\u8bd5\u5242\u7684\u6709\u6548\u6027\uff0c\u5176\u5b9e\u8fd9\u662f\u9519\u8bef\u7684\u3002<\/p>\n\n\n\n<p>\u5316\u5b66\u8bd5\u5242\u4e0d\u50cf\u98df\u54c1\u548c\u836f\u54c1\u90a3\u6837\u6709\u4e25\u683c\u7684\u4fdd\u8d28\u671f\u3002\u5316\u5b66\u8bd5\u5242\u4e00\u822c\u6ca1\u6709\u5177\u4f53\u7684\u4fdd\u8d28\u671f\u8981\u6c42\u548c\u9650\u5236\u3002\u8fd9\u4e0e\u5316\u5b66\u8bd5\u5242\u7684\u4fdd\u8d28\u671f\u53d7\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd\u6709\u5173\uff0c\u5e94\u6839\u636e\u5316\u5b66\u6027\u8d28\u3001\u50a8\u5b58\u6761\u4ef6\u7b49\uff0c\u5e76\u7ed3\u5408\u5de5\u4f5c\u5b9e\u9645\u3002\u5177\u4f53\u60c5\u51b5\u51b3\u5b9a\u8bd5\u5242\u662f\u5426\u53d8\u8d28\uff0c\u662f\u5426\u53ef\u4ee5\u7ee7\u7eed\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>\u8bd5\u5242\u6027\u8d28\u5bf9\u6709\u6548\u671f\u7684\u5f71\u54cd<\/p>\n\n\n\n<p>\u5316\u5b66\u8bd5\u5242\u7684\u4fdd\u8d28\u671f\u4e00\u822c\u4e0d\u6807\u660e\u3002\u5224\u5b9a\u8bd5\u5242\u662f\u5426\u53d8\u8d28\u4e3b\u8981\u4f9d\u9760\u7ecf\u9a8c\u548c\u65b0\u65e7\u8bd5\u5242\u7684\u5bf9\u6bd4\u8bd5\u9a8c\u3002<\/p>\n\n\n\n<p>\u5316\u5b66\u8bd5\u5242\u7684\u6709\u6548\u671f\u968f\u7740\u5316\u5b66\u7269\u8d28\u5316\u5b66\u6027\u8d28\u7684\u53d8\u5316\u800c\u6709\u5f88\u5927\u4e0d\u540c\u3002\u5728\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u5316\u5b66\u6027\u8d28\u7a33\u5b9a\u7684\u7269\u8d28\u4fdd\u8d28\u671f\u8f83\u957f\uff0c\u50a8\u5b58\u6761\u4ef6\u4e5f\u8f83\u4e3a\u7b80\u5355\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u9075\u5faa\u4ee5\u4e0b\u539f\u5219\uff08\u4e00\u822c\u539f\u5219\uff0c\u800c\u975e\u7edd\u5bf9\u539f\u5219\uff09\uff1a<\/p>\n\n\n\n<p>1<\/p>\n\n\n\n<p><a href=\"https:\/\/longchangchemical.com\/zh\/product\/liquid-sodium-silicate-cas-1344-09-8\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u65e0\u673a\u5316\u5408\u7269<\/a>, \u53ea\u8981\u4fdd\u5b58\u5f97\u5f53\uff0c\u5305\u88c5\u5b8c\u597d\uff0c\u7406\u8bba\u4e0a\u53ef\u4ee5\u957f\u671f\u4f7f\u7528\u3002\u4f46\u6613\u88ab\u6c27\u5316\uff08\u5982\u4e9a\u786b\u9178\u76d0\u3001\u82ef\u915a\u3001\u4e9a\u94c1\u76d0\u3001\u7898\u5316\u7269\u3001\u786b\u5316\u7269\u7b49\uff09\u3002\u56fa\u4f53\u6216\u6676\u4f53\u5e94\u5bc6\u5c01\u4fdd\u5b58\uff0c\u4e0d\u5b9c\u957f\u671f\u4fdd\u5b58\uff1b\u4e9a\u786b\u9178\u6c34\u6eb6\u6db2\u3001\u786b\u9178\u6c22\u6c34\u6eb6\u6db2\u5e94\u5bc6\u5c01\u4fdd\u5b58\uff1b\u94be\u3001\u94a0\u3001\u767d\u78f7 \u66f4\u9700\u7528\u6db2\u5c01\u5f62\u5f0f\uff09\u3001\u6613\u6f6e\u89e3\u7684\u7269\u8d28\uff0c\u5728\u9634\u6697\u3001\u51c9\u723d\u3001\u5e72\u71e5\u7684\u6761\u4ef6\u4e0b\uff0c\u53ea\u80fd\u77ed\u671f\u4fdd\u5b58\uff081\uff5e5 \u5e74\uff09\uff0c\u5177\u4f53\u89c6\u5305\u88c5\u548c\u4fdd\u5b58\u6761\u4ef6\u662f\u5426\u7b26\u5408\u8981\u6c42\u800c\u5b9a\u3002<\/p>\n\n\n\n<p>2<\/p>\n\n\n\n<p>\u6709\u673a\u4f4e\u5206\u5b50\u91cf\u5316\u5408\u7269\u4e00\u822c\u6325\u53d1\u6027\u8f83\u5f3a\uff0c\u5305\u88c5\u6c14\u5bc6\u6027\u8f83\u597d\uff0c\u53ef\u957f\u671f\u4fdd\u5b58\uff083 \u81f3 5 \u5e74\uff09\u3002\u4f46\u6613\u6c27\u5316\u3001\u53d7\u70ed\u5206\u89e3\u3001\u6613\u805a\u5408\u3001\u5149\u654f\u6027\u5f3a\u3002\u53ea\u80fd\u5728\u9634\u6697\u3001\u51c9\u723d\u3001\u5e72\u71e5\u7684\u6761\u4ef6\u4e0b\u77ed\u671f\u50a8\u5b58\uff081 \u81f3 5 \u5e74\uff09\uff0c\u5177\u4f53\u89c6\u5305\u88c5\u548c\u50a8\u5b58\u6761\u4ef6\u662f\u5426\u7b26\u5408\u8981\u6c42\u800c\u5b9a\u3002<\/p>\n\n\n\n<p>3<\/p>\n\n\n\n<p>\u6709\u673a\u805a\u5408\u7269\uff0c\u5c24\u5176\u662f\u751f\u547d\u6750\u6599\uff0c\u5982\u6cb9\u3001\u591a\u7cd6\u3001\u86cb\u767d\u8d28\u3001 <a href=\"https:\/\/longchangchemical.com\/zh\/what-is-naringinase\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u9176<\/a>\u80bd\u548c\u591a\u80bd\u6781\u6613\u53d7\u5fae\u751f\u7269\u3001\u6e29\u5ea6\u548c\u5149\u7ebf\u7684\u5f71\u54cd\u800c\u5931\u53bb\u6d3b\u6027\u6216\u53d8\u8d28\u3002\u56e0\u6b64\uff0c\u5fc5\u987b\u51b7\u85cf\uff08\u51b7\u51bb\uff09\u4fdd\u5b58\u3002\u66f4\u77ed\u3002<\/p>\n\n\n\n<p>4<\/p>\n\n\n\n<p>\u539f\u5219\u4e0a\uff0c\u6807\u51c6\u7269\u8d28\u3001\u6807\u51c6\u7269\u8d28\u548c\u9ad8\u7eaf\u5ea6\u7269\u8d28\u5e94\u4e25\u683c\u6309\u7167\u4fdd\u5b58\u89c4\u5b9a\u5b58\u653e\uff0c\u786e\u4fdd\u5305\u88c5\u5b8c\u597d\uff0c\u907f\u514d\u53d7\u5316\u5b66\u73af\u5883\u5f71\u54cd\uff0c\u5b58\u653e\u65f6\u95f4\u4e0d\u5b9c\u8fc7\u957f\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u6807\u51c6\u7269\u8d28\u5fc5\u987b\u5728\u6709\u6548\u671f\u5185\u4f7f\u7528\u3002\u5e38\u6e29\u4e0b\uff0815\u00baC~25\u00baC\uff09\u7684\u50a8\u5b58\u65f6\u95f4\u4e00\u822c\u4e0d\u8d85\u8fc7 2 \u4e2a\u6708\u3002\u8d85\u8fc7\u4e24\u4e2a\u6708\u5fc5\u987b\u91cd\u65b0\u6821\u51c6\u6216\u68c0\u67e5\u540e\u65b9\u53ef\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>5<\/p>\n\n\n\n<p>\u57f9\u517b\u57fa\uff1a\u6309\u7167\u89c4\u5b9a\u914d\u5236\u57f9\u517b\u57fa\u5e76\u8fdb\u884c\u706d\u83cc\uff0c\u51b7\u5374\u81f3\u5ba4\u6e29\uff0c\u7136\u540e\u5b58\u653e\u5728\u9634\u6697\u5904\uff08\u5c3d\u91cf\u5b58\u653e\u5728\u51b0\u7bb1\u4e2d\uff09\u3002\u51c6\u5907\u597d\u7684\u57f9\u517b\u57fa\u5e94\u5728 1 \u4e2a\u6708\u5185\u7528\u5b8c\u3002<\/p>\n\n\n\n<p>6<\/p>\n\n\n\n<p>\u9664\u975e\u53e6\u6709\u89c4\u5b9a\uff0c\u6d4b\u8bd5\u6eb6\u6db2\u3001\u7f13\u51b2\u6eb6\u6db2\u548c\u6307\u793a\u5242\uff08\u6db2\u4f53\uff09\u7684\u6709\u6548\u671f\u4e3a\u534a\u5e74\u3002<\/p>\n\n\n\n<p>\u6d41\u52a8\u76f8\u548c\u6db2\u76f8\u7eaf\u51c0\u6c34\u7684\u6709\u6548\u671f\u4e3a 15 \u5929\u3002<\/p>\n\n\n\n<p>7<\/p>\n\n\n\n<p>\u9664\u975e\u53e6\u6709\u8bf4\u660e\uff0c\u6db2\u4f53\u8bd5\u5242\u7684\u6709\u6548\u671f\u4e3a\u5f00\u5c01\u540e\u4e00\u5e74\uff0c\u56fa\u4f53\u8bd5\u5242\u7684\u6709\u6548\u671f\u4e3a\u5f00\u5c01\u540e\u4e09\u5e74\u3002<\/p>\n\n\n\n<p>\u73af\u5883\u6761\u4ef6\u5f71\u54cd\u6709\u6548\u671f<\/p>\n\n\n\n<p>1<\/p>\n\n\n\n<p>\u7a7a\u6c14\u7684\u5f71\u54cd\uff1a\u7a7a\u6c14\u4e2d\u7684\u6c27\u6c14\u5bb9\u6613\u6c27\u5316\u548c\u7834\u574f\u8fd8\u539f\u5242\u3002\u5f3a\u78b1\u6027\u8bd5\u5242\u6613\u5438\u6536\u4e8c\u6c27\u5316\u78b3\u800c\u53d8\u6210\u78b3\u9178\u76d0\u3002\u6e7f\u6c14\u4f1a\u4f7f\u67d0\u4e9b\u8bd5\u5242\u8131\u80f6\u548c\u7ed3\u5757\uff1b\u7ea4\u7ef4\u548c\u7070\u5c18\u4f1a\u4f7f\u67d0\u4e9b\u8bd5\u5242\u53d8\u8d28\u6216\u53d8\u8272\u3002<\/p>\n\n\n\n<p>2<\/p>\n\n\n\n<p>\u6e29\u5ea6\u7684\u5f71\u54cd\uff1a\u8bd5\u5242\u53d8\u8d28\u7684\u901f\u5ea6\u4e0e\u6e29\u5ea6\u6709\u5173\u3002\u590f\u5b63\u7684\u9ad8\u6e29\u4f1a\u52a0\u901f\u4e0d\u7a33\u5b9a\u8bd5\u5242\u7684\u5206\u89e3\uff1b\u51ac\u5b63\u7684\u4e25\u5bd2\u4f1a\u4fc3\u8fdb\u7532\u919b\u7684\u805a\u5408\u548c\u6c89\u6dc0\u53d8\u8d28\u3002<\/p>\n\n\n\n<p>3<\/p>\n\n\n\n<p>\u5149\u7684\u5f71\u54cd\uff1a\u9633\u5149\u4e2d\u7684\u7d2b\u5916\u7ebf\u4f1a\u52a0\u901f\u67d0\u4e9b\u8bd5\u5242\u7684\u5316\u5b66\u53cd\u5e94\uff0c\u4f7f\u5176\u53d8\u8d28\uff08\u5982\u94f6\u76d0\u3001\u6c5e\u76d0\u3001\u94be\u3001\u94a0\u3001\u6eb4\u548c\u7898\u7684\u94f5\u76d0\u4ee5\u53ca\u67d0\u4e9b\u915a\u7c7b\u8bd5\u5242\uff09\u3002<\/p>\n\n\n\n<p>4<\/p>\n\n\n\n<p>\u6742\u8d28\u7684\u5f71\u54cd\u3002\u4e0d\u7a33\u5b9a\u8bd5\u5242\u7684\u7eaf\u5ea6\u53ca\u5176\u53d8\u8d28\u7684\u5f71\u54cd\u4e0d\u5bb9\u5ffd\u89c6\u3002\u4f8b\u5982\uff0c\u7eaf\u51c0\u7684\u6eb4\u5316\u6c5e\u5b9e\u9645\u4e0a\u4e0d\u53d7\u5149\u7167\u5f71\u54cd\uff0c\u800c\u542b\u6709\u5fae\u91cf\u6eb4\u5316\u6c5e\u6216\u6709\u673a\u6742\u8d28\u7684\u6eb4\u5316\u6c5e\u5728\u5149\u7167\u4e0b\u5f80\u5f80\u4f1a\u53d8\u9ed1\u3002<\/p>\n\n\n\n<p>5<\/p>\n\n\n\n<p>\u4fdd\u8d28\u671f\u7684\u5f71\u54cd\u3002\u4e0d\u7a33\u5b9a\u7684\u8bd5\u5242\u5728\u957f\u671f\u50a8\u5b58\u540e\u53ef\u80fd\u4f1a\u53d1\u751f\u6b67\u5316\u805a\u5408\u3001\u5206\u89e3\u6216\u6c89\u6dc0\u3002\u5982\u679c\u5728\u8d2e\u5b58\u671f\u548c\u6709\u6548\u671f\u5185\u53d1\u73b0\u6db2\u4f53\u6709\u5206\u5c42\u3001\u6d51\u6d4a\u3001\u53d8\u8272\u3001\u9709\u53d8\u7b49\u5f02\u5e38\u73b0\u8c61\uff0c\u5728\u4f7f\u7528\u6d41\u52a8\u76f8\u8fdb\u884c\u6837\u54c1\u68c0\u6d4b\u65f6\uff0c\u6837\u54c1\u7684\u4fdd\u7559\u65f6\u95f4\u6216\u76f8\u5bf9\u4fdd\u7559\u65f6\u95f4\u53d1\u751f\u660e\u663e\u53d8\u5316\uff0c\u56fa\u4f53\u5982\u5438\u6e7f\u3001\u53d8\u8272\u7b49\u3002\u51fa\u73b0\u5f02\u5e38\u73b0\u8c61\u5e94\u505c\u6b62\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528\u5bf9\u6709\u6548\u671f\u7684\u5f71\u54cd<\/p>\n\n\n\n<p>\u5316\u5b66\u8bd5\u5242\u7684\u6709\u6548\u671f\u6839\u636e\u4f7f\u7528\u8981\u6c42\u6765\u5224\u65ad\u3002\u6700\u91cd\u8981\u7684\u4e00\u70b9\u662f\u5224\u65ad\u8bd5\u5242\u5bf9\u7ed3\u679c\u662f\u5426\u6709\u5f71\u54cd\u3002\u5982\u679c\u6709\u5f71\u54cd\uff0c\u5219\u9700\u8981\u7f29\u77ed\u6709\u6548\u671f\uff0c\u751a\u81f3\u53d6\u6d88\u6709\u6548\u671f\u3002<\/p>\n\n\n<!-- lc-commercial-start -->\n<h2>A practical sourcing checklist for general industrial chemicals<\/h2>\n<p>General chemical decisions usually become clearer when teams move from theory to application fit: what the material needs to do, how pure it needs to be, how it behaves in the real process, and what downstream constraints it must satisfy.<\/p>\n<ul>\n<li><strong>Define the use case first:<\/strong> laboratory understanding and industrial purchasing often need different levels of specification detail.<\/li>\n<li><strong>Check process compatibility:<\/strong> handling, blending, stability, and downstream interaction often determine whether a material is practical to use.<\/li>\n<li><strong>Review storage and transport behavior:<\/strong> shelf life, moisture sensitivity, temperature range, and packaging can all matter commercially.<\/li>\n<li><strong>Use sample validation when the application is critical:<\/strong> small-scale confirmation often saves the most time before a full purchasing decision.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumiao-1010-cas-6683-19-8\/\">CHLUMIAO 1010<\/a>:<\/strong> A widely used primary antioxidant benchmark for long-term thermal stability.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumiao-168-cas-31570-04-4\/\">CHLUMIAO 168<\/a>:<\/strong> A practical process-stability reference when hydroperoxide control matters.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/light-stabilizer-123-tinuvin-123-cas-129757-67-1\/\">CHLUMILS UV-123<\/a>:<\/strong> A strong HALS reference for weatherability-focused screens in coatings and polymers.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/light-stabilizer-770-tinuvin-770-cas-52829-07-9\/\">CHLUMILS UV-770<\/a>:<\/strong> A familiar HALS benchmark when weatherability and appearance retention are under review.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why can a material that looks correct on paper still underperform in use?<\/strong><br \/>Because real-world process conditions, substrate interaction, and storage behavior can reveal problems that are not obvious in a simplified specification review.<\/p>\n<p><strong>Should technical chemical selection always start with the lowest-cost option?<\/strong><br \/>Not usually. The lowest purchase price is not always the lowest use cost once process fit, stability, and downstream quality are considered.<\/p>\n<!-- lc-commercial-end -->","protected":false},"excerpt":{"rendered":"<p>How to determine the expiry date of the reagent The effective date of the reagent is an important factor that affects the accuracy of the experimental results. In actual use,<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[],"class_list":["post-4917","post","type-post","status-publish","format-standard","hentry","category-laboratory-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Can the reagents that have been stored for a long time be used? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"How to determine the expiry date of the reagent The effective date of the reagent is an important factor that affects the accuracy of the experimental r...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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