寿司米的pH值测量_小百科

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href="/hk/zh/home/library.html" class="breadcrumb library_breadcrumb"> 专业文库 </a><span style="order:-2;" class="breadcrumb currentLocation"> 寿司米的pH值测量 </span></div></div> <div id="main_layer_max"><div id="frame_layer"><div class="tag top"><span class="tag-before"/><span class="tag-type" data-tag-id="appMeth">应用方法</span><span class="tag-after"/></div><h1 id="title" class="standardAdjustable_title"> 寿司米的pH值测量 </h1><div class="tag bottom"><span class="tag-before"/><span class="tag-type">应用方法</span><span class="tag-after"/></div><h2>使用专门设计用于测量寿司米pH值的电极获得最佳结果</h2><div id="content"><link rel="stylesheet" href="/etc/designs/mt/widgets/misc/standardadjustable.min-v30.css" type="text/css"/> <div class="standard-adjustable-content "><div class="header-section width_60_40"><div class="right-par"><div class="rightheaderpar parsys"><div class="smallimage section"><link rel="stylesheet" href="/etc/designs/mt/widgets/misc/smallimage.min-v30.css" type="text/css"/><div 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media="(min-width: 481px) and (max-width: 640px)" type="image/webp"><source srcset="/dam/Analytical/pH-Lab_Sensors/el-library/an-pH-measurement-sushi-rice-en_325.jpg/_jcr_content/renditions/original.webp" media="(min-width: 641px) and (max-width: 800px)" type="image/webp"><source srcset="/dam/Analytical/pH-Lab_Sensors/el-library/an-pH-measurement-sushi-rice-en_325.jpg/_jcr_content/renditions/original.webp" media="(min-width: 801px)" type="image/webp"><img loading="lazy" src="/dam/Analytical/pH-Lab_Sensors/el-library/an-pH-measurement-sushi-rice-en_325.jpg/_jcr_content/renditions/cq5dam.web.1280.1280.jpeg" alt="寿司米的pH值测量" title="寿司米的pH值测量" class="smImg_imageBorder"/></source></source></source></source></source></source></picture></td></tr><tr class="imageDiv"><td class="imageDiv"><div class="description hide"> 寿司米的pH值测量 </div></td></tr></tbody></table></div></div></div> </div></div></div><div class="left-par"><div class="leftheaderpar parsys"><div class="text parbase section"><p>大米样品的性质使得使用传统电极难以准确测量寿司米的pH值。传统电极具有陶瓷液络部，会减少参比电解液的流出量。由于样品和电解液之间的流通不充分，读数需要比平时更长的时间。陶瓷芯液络部还会带来样品颗粒堵塞的风险，从而使样品与参比电解液之间流通减少甚至不流通。所有上述因素都是造成读数不一致的原因。因此，需要使用专门的电极来准确测量寿司米的pH值。</p><p>为了准确、精确地测量寿司米的pH值，梅特勒托利多提供了专用电极<a href="/hk/zh/home/products/Laboratory_Analytics_Browse/pH-meter/sensor/pH-sensor/InLab-Solids-Pro-ISM.html" target="_blank">InLab Solids Pro-ISM</a>。该电极的针刺式玻璃膜采用钢化玻璃制成，可直接插入大米样品中，不易损坏。低维护的固体XEROLYT<sup>®</sup>EXTRA聚合物参比系统可提供两大优势：提供无堵塞的开放式液络部，避免了蛋白质污染风险；电极与样品通过离子扩散相互作用，解决了水性参比电解液与样品不混溶的相关难题。InLab Solids Pro-ISM的专业设计和整体电极技术可确保对大米样品进行直接pH值测量，这对于保持寿司米生产和质量控制的可靠性和一致性至关重要。</p><p>下载我们的应用手册，了解使用该专业电极的更多优势。</p></div></div></div></div><div class="content-section clear"><div class="mainpar parsys"><div class="feedbackb section"><div class="fbB_formView fb_standard_view_mainpar_feedbackb"><div id="fbB_introBtnText_table_mainpar_feedbackb"><form method="get" action="/hk/zh/home/library/applications/lab-analytical-instruments/measurement-pH-sushi-rice.fb.mainpar.feedbackb.html" style="display:inline-block;"><button class="fb-button-p5a btn-action btn-primary btn-large" data-aa-catid="31" aria-label="寿司米的pH值测量——免费下载应用手册"><span> 寿司米的pH值测量——免费下载应用手册 </span></button></form></div></div></div><div class="text parbase section"><p>在下一节中，了解有关测量寿司米pH值的更多信息，及其在保持产品质量方面的重要性。</p><p> </p><h3>为什么测量寿司米pH值很重要？</h3><p>为了安全食用寿司，根据食品标准法典，大米的pH值必须保持在4.1到4.6的范围内（在环境温度下）。这种酸性pH值范围可防止病原菌的生长和毒素的产生。</p><p> </p><h3>寿司米是如何酸化的？</h3><p>各种卫生监管机构都规定了关于寿司米安全处理和pH测试的危害分析关键控制点(HACCP)准则。为了使每批寿司具有一致的风味，要将大米酸化至固定的pH值。使用食醋（乙酸）对大米进行酸化。更高的酸度允许在高于5°C的温度下存储和供应寿司。</p><p> </p><h3>如果寿司米没有正确酸化会怎样？</h3><p>寿司中酸化不充分的大米可能会导致严重的健康风险，特别是未在监管机构规定受控温度下储存的情况下更是如此。为此，寿司企业实施了时间和温度监测以及pH记录系统。</p><p>有关样品制备、测量技巧和电极优势的更多信息，请下载我们关于寿司米pH值测量的应用手册。</p></div><div class="matchingblockpull section"><link rel="stylesheet" href="/etc/designs/mt/widgets/misc/tabnavigation.min-v30.css" type="text/css"/><div id="mb_mainparmatchingblockpull_1" class="matching_block_wrapper matching_box mb_gridLayout" 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action="/hk/zh/home/library/applications/lab-analytical-instruments/honey-multiparameter-analysis.fb.leftheaderpar.feedbackb.html"><button class="fb-button-p5a btn-action btn-primary" aria-label="下载免费文档"><span>下载免费文档</span></button></form></div></div></div></div></div><div class="mbVerticalSeparator rowLevel_2"/><div class="mbItemWrapper rowLevel_2"><div class="mbItem"><div class="image"><a href="/hk/zh/home/library/applications/lab-analytical-instruments/sugar-testing-methods.html"><img loading="lazy" src="/dam/direct-upload/thumbnails/library/applications/lab-analytical-instruments/sugar-testing-methods/Selected-Analytical-Methods-for-Sugar-Testing.jpg/_jcr_content/renditions/cq5dam.web.1280.1280.jpeg" align="right" alt="糖测定" title="糖测定"/></a><div class="itemInfo"><div class="mbItemTitle"><a href="/hk/zh/home/library/applications/lab-analytical-instruments/sugar-testing-methods.html"> 糖测定的精选分析方法 </a></div><div class="description hyphenate"><a class="noStyle" href="/hk/zh/home/library/applications/lab-analytical-instruments/sugar-testing-methods.html"> 糖测定可确保达到质量标准，即由ICUMSA™制定的标准。了解有关糖的色度、白利糖度值、水份含量、pH值和更多参数的分析方法的信息。 </a></div><div class="feedback_wrapper"><form method="get" action="/hk/zh/home/library/applications/lab-analytical-instruments/sugar-testing-methods.fb.mainpar.feedbackb.html"><button class="fb-button-p5a btn-action btn-primary" aria-label="下载此免费应用手册以推动糖测定工作流程"><span>下载此免费应用手册以推动糖测定工作流程</span></button></form></div></div></div></div></div><div class="mbItemWrapper rowLevel_2"><div class="mbItem"><div class="image"><a href="/hk/zh/home/library/applications/lab-analytical-instruments/measurement-pH-of-agar.html"><img loading="lazy" src="/dam/direct-upload/thumbnails/library/applications/lab-analytical-instruments/measurement-pH-of-agar/pH-Measurement-of-Agar.jpg/_jcr_content/renditions/cq5dam.web.1280.1280.jpeg" align="right" alt="琼脂的pH值应用手册" title="琼脂的pH值应用手册"/></a><div class="itemInfo"><div class="mbItemTitle"><a href="/hk/zh/home/library/applications/lab-analytical-instruments/measurement-pH-of-agar.html"> 测量琼脂的pH值 </a></div><div class="description hyphenate"><a class="noStyle" href="/hk/zh/home/library/applications/lab-analytical-instruments/measurement-pH-of-agar.html"> 下载应用手册，了解如何消除与琼脂培养基pH测量相关的挑战。 </a></div><div class="feedback_wrapper"><form method="get" action="/hk/zh/home/library/applications/lab-analytical-instruments/measurement-pH-of-agar.fb.lpLeftPar.feedbackb.html"><button class="fb-button-p5a btn-action btn-primary" aria-label="琼脂培养基pH值应用手册——免费下载"><span>琼脂培养基pH值应用手册——免费下载</span></button></form></div></div></div></div></div><div class="mbVerticalSeparator rowLevel_2"/><div class="mbItemWrapper rowLevel_2"><div class="mbItem"><div class="image"><a href="/hk/zh/home/library/applications/lab-analytical-instruments/polarimeter.html"><img loading="lazy" src="/dam/Analytical/Density/de-library/dere-multiparameter-an_300x424.png/_jcr_content/renditions/cq5dam.web.1280.1280.png" align="right" alt="Integration of a Polarimeter into a Multiparameter System" title="Integration of a Polarimeter into a Multiparameter System"/></a><div class="itemInfo"><div class="mbItemTitle"><a href="/hk/zh/home/library/applications/lab-analytical-instruments/polarimeter.html"> Integration of a Polarimeter into a Multiparameter System </a></div><div class="description hyphenate"><a class="noStyle" href="/hk/zh/home/library/applications/lab-analytical-instruments/polarimeter.html"> Learn how to integrate a Schmidt + Haensch polarimeter into a METTLER TOLEDO multiparameter system. </a></div><div class="feedback_wrapper"><form method="get" action="/hk/zh/home/library/applications/lab-analytical-instruments/polarimeter.fb.leftheaderpar.feedbackb.html"><button class="fb-button-p5a btn-action btn-primary" aria-label="Download Free Application Note"><span>Download Free Application Note</span></button></form></div></div></div></div></div></div></div></div></div><div class="mbSeparator"/> </div><div class="matchingblockpull section"><div id="mb_mainparmatchingblockpull_co_1543497920" class="matching_block_wrapper matching_box mb_gridLayout" data-swiftype-index="false"><input type="hidden" name="mbTabItemsCount" value="1"/><div class="tab_navigation_mb title">Know How</div><div class="center"><div class="content accordion_blue_grey layout_ mb_gridLayout"><div class="mbItemGrid"><div class="mbItemWrapper rowLevel_2"><div class="mbItem"><div class="image"><a href="/hk/zh/home/library/know-how/lab-analytical-instruments/pH-measurement-Protein-samples-pH-sensor.html"><img loading="lazy" src="/dam/Analytical/pH-Lab_Sensors/el-library/pH-measure-protein-samples_230.jpg/_jcr_content/renditions/cq5dam.web.1280.1280.jpeg" align="right" alt="如何测量pH值-含蛋白质的样品" title="如何测量pH值-含蛋白质的样品"/></a><div class="itemInfo"><div class="mbItemTitle"><a href="/hk/zh/home/library/know-how/lab-analytical-instruments/pH-measurement-Protein-samples-pH-sensor.html"> 如何测量pH值-含蛋白质的样品 </a></div><div class="description hyphenate"><a class="noStyle" href="/hk/zh/home/library/know-how/lab-analytical-instruments/pH-measurement-Protein-samples-pH-sensor.html"> 在含蛋白质的样品中测量pH值，可能是件相当具有挑战性的任务。为获得精确的pH 值读数，pH电极必须要处于较佳状态。 </a></div><div class="feedback_wrapper"><form method="get" action="/hk/zh/home/library/know-how/lab-analytical-instruments/pH-measurement-Protein-samples-pH-sensor.fb.mainpar.feedbackb.html"><button class="fb-button-p5a btn-action btn-primary" aria-label="下载此pH测量概述文件"><span>下载此pH测量概述文件</span></button></form></div></div></div></div></div><div class="mbVerticalSeparator rowLevel_2"/><div class="mbItemWrapper rowLevel_2"><div class="mbItem"><div class="image"><a href="/hk/zh/home/library/know-how/lab-analytical-instruments/pH-measurement-TRIS-samples-pH-sensor.html"><img loading="lazy" src="/dam/Analytical/pH-Lab_Sensors/el-library/pH-measure-tris-containing-samples_230.jpg/_jcr_content/renditions/cq5dam.web.1280.1280.jpeg" align="right" alt="How to Measure pH in TRIS-Containing Samples" title="How to Measure pH in TRIS-Containing Samples"/></a><div class="itemInfo"><div class="mbItemTitle"><a href="/hk/zh/home/library/know-how/lab-analytical-instruments/pH-measurement-TRIS-samples-pH-sensor.html"> 如何测量pH值-含TRIS的样品 </a></div><div class="description hyphenate"><a class="noStyle" href="/hk/zh/home/library/know-how/lab-analytical-instruments/pH-measurement-TRIS-samples-pH-sensor.html"> 含TRIS样品的pH测量挑战和应用指南。关于pH电极测量、选型和维护的技巧与提示。 </a></div><div class="feedback_wrapper"><form method="get" action="/hk/zh/home/library/know-how/lab-analytical-instruments/pH-measurement-TRIS-samples-pH-sensor.fb.mainpar.feedbackb.html"><button class="fb-button-p5a btn-action btn-primary" aria-label="下载此pH测量概述文件"><span>下载此pH测量概述文件</span></button></form></div></div></div></div></div><div class="mbItemWrapper rowLevel_3"><div class="mbItem"><div class="mbItemTitle"><a href="/hk/zh/home/library/know-how/lab-analytical-instruments/the-art-of-pH-measurement.html"> The Art of pH Measurement Poster </a></div><div class="image"><a href="/hk/zh/home/library/know-how/lab-analytical-instruments/the-art-of-pH-measurement.html"><img loading="lazy" src="/dam/Analytical/pH-Lab_Sensors/el-library/art-of-pH-measurement-poster-cover.jpg/_jcr_content/renditions/cq5dam.web.1280.1280.jpeg" align="right" alt="The Art of pH Measurement poster" title="The Art of pH Measurement poster"/></a><div class="itemInfo"><div class="description hyphenate"><a class="noStyle" href="/hk/zh/home/library/know-how/lab-analytical-instruments/the-art-of-pH-measurement.html"> It is not always clear why your pH results differ between measurements. pH measurement sometimes seems to be an art, which is difficult to master. </a></div><div class="feedback_wrapper"><form method="get" action="/hk/zh/home/library/know-how/lab-analytical-instruments/the-art-of-pH-measurement.fb.mainpar.feedbackb.html"><button class="fb-button-p5a btn-action btn-primary" aria-label="Download Poster"><span>Download Poster</span></button></form></div></div></div></div></div><div class="mbVerticalSeparator rowLevel_3"/><div class="mbItemWrapper rowLevel_3"><div class="mbItem"><div class="mbItemTitle"><a href="/hk/zh/home/library/know-how/lab-analytical-instruments/efficient-safe-pH-measurement.html"> 安全高效的pH值测量 </a></div><div class="image"><a href="/hk/zh/home/library/know-how/lab-analytical-instruments/efficient-safe-pH-measurement.html"><img loading="lazy" src="/dam/Analytical/pH-LabMeters/me-library/efficient-safe-pH-measurement_300x300.png/_jcr_content/renditions/cq5dam.web.1280.1280.png" align="right" alt="安全高效的pH值测量" title="安全高效的pH值测量"/></a><div class="itemInfo"><div class="description hyphenate"><a class="noStyle" href="/hk/zh/home/library/know-how/lab-analytical-instruments/efficient-safe-pH-measurement.html"> 利用我们的7个技巧和诀窍确保高效安全的pH值测量，以改善您的工作环境。 </a></div><div class="feedback_wrapper"><form method="get" action="/hk/zh/home/library/know-how/lab-analytical-instruments/efficient-safe-pH-measurement.fb.lpLeftPar.lpFeedbackb.html"><button class="fb-button-p5a btn-action btn-primary" aria-label="下载指南"><span>下载指南</span></button></form></div></div></div></div></div><div class="mbVerticalSeparator rowLevel_3"/><div class="mbItemWrapper rowLevel_3"><div class="mbItem"><div class="mbItemTitle"><a href="/hk/zh/home/library/know-how/lab-analytical-instruments/pH-calibration.html"> pH校准-海报 </a></div><div class="image"><a href="/hk/zh/home/library/know-how/lab-analytical-instruments/pH-calibration.html"><img loading="lazy" src="/dam/Analytical/pH-Lab_Sensors/el-library/pH-calibration-poster_300x300.png/_jcr_content/renditions/cq5dam.web.1280.1280.png" align="right" alt="pH校准" title="pH校准"/></a><div class="itemInfo"><div class="description hyphenate"><a class="noStyle" href="/hk/zh/home/library/know-how/lab-analytical-instruments/pH-calibration.html"> pH校准是确保pH测量的可靠性与质量的必要步骤。本海报提供了一种清晰、简单和明确的方法来准备、校准电极并评估校准结果。 </a></div><div class="feedback_wrapper"><form method="get" action="/hk/zh/home/library/know-how/lab-analytical-instruments/pH-calibration.fb.mainpar.feedbackb.html"><button class="fb-button-p5a btn-action btn-primary" aria-label="免费下载：pH校准海报"><span>免费下载：pH校准海报</span></button></form></div></div></div></div></div></div></div></div></div><div class="mbSeparator"/> </div><div class="matchingblockpull section"><div id="mb_mainparmatchingblockpull_co_806205754" class="matching_block_wrapper matching_box mb_gridLayout" data-swiftype-index="false"><input type="hidden" name="mbTabItemsCount" value="1"/><div class="tab_navigation_mb title">Library Literature</div><div class="center"><div class="content accordion_blue_grey layout_ mb_gridLayout"><div class="mbItemGrid"><div class="mbItemWrapper rowLevel_2"><div class="mbItem"><div class="image"><a href="/hk/zh/home/library/applications/lab-analytical-instruments/conductivity-measurement-of-small-samples.html"><img loading="lazy" src="/dam/Analytical/pH-Lab_Sensors/el-library/conductivity-measurement-of-small-samples_300x424.png/_jcr_content/renditions/cq5dam.web.1280.1280.png" align="right" alt="Application Note on Conductivity of Small Samples" title="Application Note on Conductivity of Small Samples"/></a><div class="itemInfo"><div class="mbItemTitle"><a href="/hk/zh/home/library/applications/lab-analytical-instruments/conductivity-measurement-of-small-samples.html"> Conductivity Analysis of Small Samples </a></div><div class="description hyphenate"><a class="noStyle" href="/hk/zh/home/library/applications/lab-analytical-instruments/conductivity-measurement-of-small-samples.html"> Download the application note and learn the correct methods to obtain accurate results when measuring the conductivity of small-volume and precious sa... </a></div><div class="feedback_wrapper"><form 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href="/hk/zh/home/library/guides/laboratory-division/data_management/data-management-guide.html"> 《数据管理指南》为希望改进实验室数据管理的组织提供了策略。了解实施更好的管理规范的优点与挑战。 </a></div><div class="feedback_wrapper"><form method="get" action="/hk/zh/home/library/guides/laboratory-division/data_management/data-management-guide.fb.lpLeftPar.feedbackb_copy_copy_.html"><button class="fb-button-p5a btn-action btn-primary" aria-label="下载该指南"><span>下载该指南</span></button></form></div></div></div></div></div><div class="mbItemWrapper rowLevel_3"><div class="mbItem"><div class="mbItemTitle"><a href="/hk/zh/home/library/applications/lab-analytical-instruments/pH-measurement-in-small-samples.html"> 微量样品的pH测量 </a></div><div class="image"><a href="/hk/zh/home/library/applications/lab-analytical-instruments/pH-measurement-in-small-samples.html"><img loading="lazy" src="/dam/Analytical/pH-Lab_Sensors/el-library/pH-measurement-in-small-samples_300x424.png/_jcr_content/renditions/cq5dam.web.1280.1280.png" align="right" alt="微量样品的pH测量" title="微量样品的pH测量"/></a><div class="itemInfo"><div class="description hyphenate"><a class="noStyle" href="/hk/zh/home/library/applications/lab-analytical-instruments/pH-measurement-in-small-samples.html"> 生命科学中的各种应用都涉及微量样品。使用合适的pH电极，可以更轻松地最大限度地减少样品处理，并获得精确可靠的测量结果。 </a></div><div class="feedback_wrapper"><form method="get" action="/hk/zh/home/library/applications/lab-analytical-instruments/pH-measurement-in-small-samples.fb.lpLeftPar.lpFeedbackb.html"><button class="fb-button-p5a btn-action btn-primary" aria-label="下载应用说明"><span>下载应用说明</span></button></form></div></div></div></div></div><div class="mbVerticalSeparator rowLevel_3"/><div class="mbItemWrapper rowLevel_3"><div class="mbItem"><div class="mbItemTitle"><a href="/hk/zh/home/library/guides/laboratory-division/lab-research-and-development/essential-measurement-techniques-guide.html"> 基本实验室技能指南 </a></div><div class="image"><a 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