{"product_id":"quaternary-hplc-for-food-safety-pharma-environmental-analysis-lc20","title":"Quaternary HPLC for Food Safety, Pharma \u0026 Environmental Analysis | LC20","description":"\u003cstyle\u003e\n  .hplc-order-guide {\n    max-width: 1200px;\n    margin: 0 auto;\n    padding: 40px 20px;\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif;\n    color: #1a1a1a;\n    background: #fff;\n  }\n  \n  .hplc-order-guide h1 {\n    font-size: 38px;\n    font-weight: 700;\n    margin-bottom: 12px;\n    color: #000;\n    line-height: 1.2;\n  }\n  \n  .hplc-order-guide .subtitle {\n    font-size: 18px;\n    color: #555;\n    margin-bottom: 32px;\n    font-weight: 400;\n  }\n  \n  .hplc-order-guide .intro-card {\n    background: #000;\n    color: #fff;\n    padding: 28px 32px;\n    margin-bottom: 40px;\n  }\n  \n  .hplc-order-guide .intro-card h3 {\n    font-size: 14px;\n    text-transform: uppercase;\n    letter-spacing: 1px;\n    margin: 0 0 12px 0;\n    opacity: 0.8;\n  }\n  \n  .hplc-order-guide .intro-card p {\n    font-size: 16px;\n    line-height: 1.6;\n    margin: 0;\n    opacity: 0.95;\n  }\n  \n  .hplc-order-guide .section-title {\n    font-size: 24px;\n    font-weight: 700;\n    color: #000;\n    margin: 48px 0 24px 0;\n    padding-bottom: 12px;\n    border-bottom: 2px solid #000;\n  }\n  \n  .hplc-order-guide .config-grid {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));\n    gap: 20px;\n    margin-bottom: 40px;\n  }\n  \n  .hplc-order-guide .config-card {\n    border: 2px solid #e0e0e0;\n    padding: 24px;\n    transition: all 0.2s ease;\n    cursor: pointer;\n  }\n  \n  .hplc-order-guide .config-card:hover {\n    border-color: #000;\n    transform: translateY(-2px);\n  }\n  \n  .hplc-order-guide .config-card.recommended {\n    border-color: #000;\n    background: #fafafa;\n  }\n  \n  .hplc-order-guide .config-card .card-header {\n    display: flex;\n    justify-content: space-between;\n    align-items: flex-start;\n    margin-bottom: 16px;\n  }\n  \n  .hplc-order-guide .config-card h4 {\n    font-size: 18px;\n    font-weight: 700;\n    margin: 0;\n    color: #000;\n  }\n  \n  .hplc-order-guide .config-card .badge {\n    background: #000;\n    color: #fff;\n    padding: 4px 10px;\n    font-size: 11px;\n    font-weight: 600;\n    text-transform: uppercase;\n    letter-spacing: 0.5px;\n  }\n  \n  .hplc-order-guide .config-card .specs {\n    font-size: 14px;\n    color: #555;\n    line-height: 1.6;\n    margin-bottom: 16px;\n  }\n  \n  .hplc-order-guide .config-card .specs strong {\n    color: #000;\n    font-weight: 600;\n  }\n  \n  .hplc-order-guide .config-card .select-btn {\n    display: inline-block;\n    padding: 10px 24px;\n    background: #fff;\n    border: 2px solid #000;\n    color: #000;\n    font-size: 13px;\n    font-weight: 600;\n    text-transform: uppercase;\n    letter-spacing: 0.5px;\n    cursor: pointer;\n    transition: all 0.2s ease;\n    width: 100%;\n    text-align: center;\n  }\n  \n  .hplc-order-guide .config-card:hover .select-btn {\n    background: #000;\n    color: #fff;\n  }\n  \n  .hplc-order-guide .detector-table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 24px 0;\n    font-size: 14px;\n  }\n  \n  .hplc-order-guide .detector-table th {\n    background: #000;\n    color: #fff;\n    padding: 14px 16px;\n    text-align: left;\n    font-weight: 600;\n  }\n  \n  .hplc-order-guide .detector-table td {\n    padding: 14px 16px;\n    border-bottom: 1px solid #e0e0e0;\n    vertical-align: top;\n  }\n  \n  .hplc-order-guide .detector-table tr:hover td {\n    background: #fafafa;\n  }\n  \n  .hplc-order-guide .detector-table .application {\n    font-size: 12px;\n    color: #666;\n    margin-top: 4px;\n  }\n  \n  .hplc-order-guide .option-row {\n    display: flex;\n    align-items: center;\n    padding: 16px 0;\n    border-bottom: 1px solid #e0e0e0;\n  }\n  \n  .hplc-order-guide .option-row input[type=\"checkbox\"] {\n    width: 20px;\n    height: 20px;\n    margin-right: 16px;\n    accent-color: #000;\n  }\n  \n  .hplc-order-guide .option-info h4 {\n    font-size: 16px;\n    font-weight: 600;\n    margin: 0 0 4px 0;\n  }\n  \n  .hplc-order-guide .option-info p {\n    font-size: 13px;\n    color: #666;\n    margin: 0;\n  }\n  \n  .hplc-order-guide .summary-box {\n    background: #f5f5f5;\n    padding: 24px;\n    margin-top: 40px;\n    border-left: 4px solid #000;\n  }\n  \n  .hplc-order-guide .summary-box h3 {\n    font-size: 18px;\n    font-weight: 700;\n    margin: 0 0 16px 0;\n  }\n  \n  .hplc-order-guide .summary-box ul {\n    margin: 0;\n    padding-left: 20px;\n  }\n  \n  .hplc-order-guide .summary-box li {\n    margin-bottom: 8px;\n    font-size: 14px;\n  }\n  \n  .hplc-order-guide .cta-section {\n    margin-top: 48px;\n    text-align: center;\n    padding: 40px;\n    background: #000;\n    color: #fff;\n  }\n  \n  .hplc-order-guide .cta-section h3 {\n    font-size: 24px;\n    font-weight: 700;\n    margin: 0 0 16px 0;\n  }\n  \n  .hplc-order-guide .cta-btn {\n    display: inline-block;\n    padding: 16px 40px;\n    background: #fff;\n    color: #000;\n    font-size: 14px;\n    font-weight: 700;\n    text-transform: uppercase;\n    letter-spacing: 1px;\n    text-decoration: none;\n    transition: all 0.2s ease;\n  }\n  \n  .hplc-order-guide .cta-btn:hover {\n    background: #f0f0f0;\n    transform: translateY(-2px);\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"hplc-order-guide\"\u003e\n  \u003ch1\u003eHPLC System Order Guide\u003c\/h1\u003e\n  \u003cp class=\"subtitle\"\u003eQuaternary gradient system for food safety, pharmaceutical, and environmental analysis\u003c\/p\u003e\n  \n  \u003cdiv class=\"intro-card\"\u003e\n    \u003ch3\u003eSystem Overview\u003c\/h3\u003e\n    \u003cp\u003eHigh-precision quaternary HPLC with 8,000 psi pressure capability, 162-sample capacity, and ultra-low carryover (≤0.0005%). Ideal for trace-level detection of pesticides, veterinary residues, drug impurities, and natural product analysis.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \n  \u003ch2 class=\"section-title\"\u003eStep 1: Select Pump Configuration\u003c\/h2\u003e\n  \u003cdiv class=\"config-grid\"\u003e\n    \u003cdiv class=\"config-card\"\u003e\n      \u003cdiv class=\"card-header\"\u003e\n        \u003ch4\u003eStandard System\u003c\/h4\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"specs\"\u003e\n        \u003cstrong\u003ePressure:\u003c\/strong\u003e 7,800 psi (55 MPa)\u003cbr\u003e\n        \u003cstrong\u003eFlow Range:\u003c\/strong\u003e 0.001–4.5 mL\/min\u003cbr\u003e\n        \u003cstrong\u003eGradient:\u003c\/strong\u003e Quaternary (4 solvents)\u003cbr\u003e\n        \u003cstrong\u003ePrecision:\u003c\/strong\u003e ≤0.06% RSD\n      \u003c\/div\u003e\n      \u003cdiv class=\"select-btn\"\u003eSelect Standard\u003c\/div\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"config-card recommended\"\u003e\n      \u003cdiv class=\"card-header\"\u003e\n        \u003ch4\u003eAdvanced System\u003c\/h4\u003e\n        \u003cspan class=\"badge\"\u003eRecommended\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"specs\"\u003e\n        \u003cstrong\u003ePressure:\u003c\/strong\u003e 8,000 psi (55 MPa)\u003cbr\u003e\n        \u003cstrong\u003eFlow Range:\u003c\/strong\u003e 0.001–4.5 mL\/min\u003cbr\u003e\n        \u003cstrong\u003eGradient:\u003c\/strong\u003e Quaternary + Smart Weighing\u003cbr\u003e\n        \u003cstrong\u003ePrecision:\u003c\/strong\u003e ≤0.06% RSD\n      \u003c\/div\u003e\n      \u003cdiv class=\"select-btn\"\u003eSelect Advanced\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003ch2 class=\"section-title\"\u003eStep 2: Select Autosampler\u003c\/h2\u003e\n  \u003cdiv class=\"config-grid\"\u003e\n    \u003cdiv class=\"config-card\"\u003e\n      \u003cdiv class=\"card-header\"\u003e\n        \u003ch4\u003eStandard Autosampler\u003c\/h4\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"specs\"\u003e\n        \u003cstrong\u003eCapacity:\u003c\/strong\u003e 162 × 2 mL vials\u003cbr\u003e\n        \u003cstrong\u003eInjection:\u003c\/strong\u003e 0.2–50 μL\u003cbr\u003e\n        \u003cstrong\u003ePrecision:\u003c\/strong\u003e ≤0.25% RSD\u003cbr\u003e\n        \u003cstrong\u003eCarryover:\u003c\/strong\u003e ≤0.0005%\n      \u003c\/div\u003e\n      \u003cdiv class=\"select-btn\"\u003eSelect\u003c\/div\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"config-card\"\u003e\n      \u003cdiv class=\"card-header\"\u003e\n        \u003ch4\u003eCooled Autosampler\u003c\/h4\u003e\n        \u003cspan class=\"badge\"\u003e+4°C\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"specs\"\u003e\n        \u003cstrong\u003eCapacity:\u003c\/strong\u003e 162 × 2 mL vials\u003cbr\u003e\n        \u003cstrong\u003eInjection:\u003c\/strong\u003e 0.2–50 μL\u003cbr\u003e\n        \u003cstrong\u003eCooling:\u003c\/strong\u003e 4°C or 20°C below ambient\u003cbr\u003e\n        \u003cstrong\u003eCarryover:\u003c\/strong\u003e ≤0.0005%\n      \u003c\/div\u003e\n      \u003cdiv class=\"select-btn\"\u003eSelect\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003ch2 class=\"section-title\"\u003eStep 3: Select Detector(s)\u003c\/h2\u003e\n  \u003ctable class=\"detector-table\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eDetector\u003c\/th\u003e\n        \u003cth\u003eWavelength\/Range\u003c\/th\u003e\n        \u003cth\u003eBest For\u003c\/th\u003e\n        \u003cth\u003eSelect\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\n          \u003cstrong\u003ePDA (Photodiode Array)\u003c\/strong\u003e\n          \u003cdiv class=\"application\"\u003ePeak purity, spectral identification\u003c\/div\u003e\n        \u003c\/td\u003e\n        \u003ctd\u003e190–800 nm\u003c\/td\u003e\n        \u003ctd\u003eMethod development, complex mixtures\u003c\/td\u003e\n        \u003ctd\u003e\u003cinput type=\"checkbox\"\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\n          \u003cstrong\u003eUV\/Vis\u003c\/strong\u003e\n          \u003cdiv class=\"application\"\u003eRoutine quantitative analysis\u003c\/div\u003e\n        \u003c\/td\u003e\n        \u003ctd\u003e190–900 nm\u003c\/td\u003e\n        \u003ctd\u003eGeneral purpose, high sensitivity\u003c\/td\u003e\n        \u003ctd\u003e\u003cinput type=\"checkbox\"\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\n          \u003cstrong\u003eFluorescence\u003c\/strong\u003e\n          \u003cdiv class=\"application\"\u003eTrace-level detection\u003c\/div\u003e\n        \u003c\/td\u003e\n        \u003ctd\u003eEx: 200–750 nm\u003cbr\u003eEm: 210–750 nm\u003c\/td\u003e\n        \u003ctd\u003eLow-concentration samples, biomarkers\u003c\/td\u003e\n        \u003ctd\u003e\u003cinput type=\"checkbox\"\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\n          \u003cstrong\u003eRefractive Index (RID)\u003c\/strong\u003e\n          \u003cdiv class=\"application\"\u003eUniversal detection\u003c\/div\u003e\n        \u003c\/td\u003e\n        \u003ctd\u003e1.00–1.75 RI\u003c\/td\u003e\n        \u003ctd\u003eSugars, polymers, no chromophore\u003c\/td\u003e\n        \u003ctd\u003e\u003cinput type=\"checkbox\"\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\n          \u003cstrong\u003eELSD\u003c\/strong\u003e\n          \u003cdiv class=\"application\"\u003eNon-volatile compounds\u003c\/div\u003e\n        \u003c\/td\u003e\n        \u003ctd\u003eLight scattering\u003c\/td\u003e\n        \u003ctd\u003eLipids, steroids, surfactants\u003c\/td\u003e\n        \u003ctd\u003e\u003cinput type=\"checkbox\"\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \n  \u003ch2 class=\"section-title\"\u003eStep 4: Add Options \u0026amp; Accessories\u003c\/h2\u003e\n  \u003cdiv class=\"option-row\"\u003e\n    \u003cinput type=\"checkbox\" id=\"col-oven\"\u003e\n    \u003cdiv class=\"option-info\"\u003e\n      \u003ch4\u003eColumn Oven\u003c\/h4\u003e\n      \u003cp\u003eAmbient +4°C to 90°C, holds 3×300mm columns, 2 switching valves\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"option-row\"\u003e\n    \u003cinput type=\"checkbox\" id=\"degasser\"\u003e\n    \u003cdiv class=\"option-info\"\u003e\n      \u003ch4\u003eExternal Degasser\u003c\/h4\u003e\n      \u003cp\u003e4-channel vacuum degasser for mobile phase preparation\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"option-row\"\u003e\n    \u003cinput type=\"checkbox\" id=\"seal-wash\"\u003e\n    \u003cdiv class=\"option-info\"\u003e\n      \u003ch4\u003eSeal Wash Kit\u003c\/h4\u003e\n      \u003cp\u003eExtended pump life with high-salt mobile phases\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"option-row\"\u003e\n    \u003cinput type=\"checkbox\" id=\"software\"\u003e\n    \u003cdiv class=\"option-info\"\u003e\n      \u003ch4\u003eAdvanced Software Package\u003c\/h4\u003e\n      \u003cp\u003e3D spectral mapping, automated method development tools\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"summary-box\"\u003e\n    \u003ch3\u003eSystem Highlights\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eQuaternary Gradient:\u003c\/strong\u003e Four-solvent capability for complex method development\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eHigh Pressure:\u003c\/strong\u003e 8,000 psi operation for fast separations\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eLow Carryover:\u003c\/strong\u003e ≤0.0005% for sensitive analyses\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSample Capacity:\u003c\/strong\u003e 162 vials or three 96-well plates\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eNeedle-Loading:\u003c\/strong\u003e Zero sample loss injection technology\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"cta-section\"\u003e\n    \u003ch3\u003eRequest a Quote\u003c\/h3\u003e\n    \u003cp\u003eConfigure your system and receive pricing within 24 hours\u003c\/p\u003e\n    \u003ca href=\"#\" class=\"cta-btn\"\u003eGet Quote\u003c\/a\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"NWSPEC","offers":[{"title":"Default Title","offer_id":48303900655835,"sku":"LC20","price":30000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1722\/0315\/files\/UHPLC_pic_94b295a3-d812-4270-bd05-4a8baff8dbaa.png?v=1764216031","url":"https:\/\/nwspec.com\/en-cn\/products\/quaternary-hplc-for-food-safety-pharma-environmental-analysis-lc20","provider":"NWSPEC","version":"1.0","type":"link"}