{"title":"Vacuum Degasser","description":"\u003ch2\u003eVacuum Degasser\u003c\/h2\u003e\n\u003cp\u003eDissolved air in dissolution media forms bubbles that interfere with accurate drug release readings. Our \u003cstrong\u003eHTQ-1A Vacuum Degasser\u003c\/strong\u003e removes dissolved air before testing begins, reducing variability caused by air interference.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVacuum-based degassing for dissolution media preparation\u003c\/li\u003e\n\u003cli\u003eDesigned to support high-precision dissolution testing environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDissolution media preparation ahead of USP\/EP\/ChP dissolution testing\u003c\/li\u003e\n\u003cli\u003eReducing air-bubble-related variability in drug release results\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExplore the full lineup below to find the right solution for your lab. For quotation or technical support, \u003ca href=\"\/pages\/contact\"\u003econtact our team\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"htq-1a-vacuum-degasser","title":"HTQ-1A Vacuum Degasser – Pharmaceutical Dissolution Medium Degassing System","description":"\u003c!-- PRODUCT_ID: 7815956299833 --\u003e\n\u003c!-- TITLE: HTQ-1A Vacuum Degasser – Pharmaceutical Dissolution Medium Degassing System --\u003e\n\u003ch2\u003e\n\u003ca name=\"_Toc187362377\"\u003e\u003c\/a\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003eVacuum Degasser\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eHTQ-1A Vacuum Degasser\u003c\/p\u003e\n\n\u003cp class=\"\" data-end=\"856\" data-start=\"669\"\u003eThe HTQ-1A Vacuum Degasser is a specialized \u003cstrong data-end=\"750\" data-start=\"713\"\u003epharmaceutical testing instrument\u003c\/strong\u003e used to efficiently remove air bubbles from dissolution media, ensuring reliable drug release analysis.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"1058\" data-start=\"867\"\u003eThis \u003cstrong data-end=\"891\" data-start=\"872\"\u003evacuum degasser\u003c\/strong\u003e is designed for pharmaceutical labs conducting \u003cstrong data-end=\"962\" data-start=\"939\"\u003edissolution testing\u003c\/strong\u003e, helping enhance consistency and accuracy by reducing variability caused by air interference.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"1301\" data-start=\"1069\"\u003eAs part of our professional line of \u003cstrong data-end=\"1143\" data-start=\"1105\"\u003epharmaceutical testing instruments\u003c\/strong\u003e, the HTQ-1A supports high-precision testing environments and complies with industry standards for \u003cstrong data-end=\"1261\" data-start=\"1242\"\u003etablet analysis\u003c\/strong\u003e and \u003cstrong data-end=\"1300\" data-start=\"1266\"\u003epharmaceutical quality control\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003eDescription\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cspan style=\"color: #0e0e0e\"\u003eThe HTQ-1A Vacuum Degasser is designed for solid dosage dissolution tests. It efficiently performs vacuum degassing for distilled water, deionized water, and purified water, ensuring excellent degassing results with low noise levels.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003eProduct Features\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cspan style=\"color: #0e0e0e\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003e1. Automated and Precise Operations\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"text-indent: -9.75pt;line-height: normal;margin: 9.0pt 0cm 0cm 9.75pt\"\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003cspan\u003e   \u003c\/span\u003e•\u003cspan\u003e  \u003c\/span\u003eCompletes automated cycles for heating, vacuum degassing, and liquid drainage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"text-indent: -9.75pt;line-height: normal;margin: 9.0pt 0cm 0cm 9.75pt\"\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003cspan\u003e   \u003c\/span\u003e•\u003cspan\u003e  \u003c\/span\u003eAdjustable liquid volume settings for both input and output.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cspan style=\"color: #0e0e0e\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003e2. Enhanced Degassing Efficiency\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"text-indent: -9.75pt;line-height: normal;margin: 9.0pt 0cm 0cm 9.75pt\"\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003cspan\u003e   \u003c\/span\u003e•\u003cspan\u003e  \u003c\/span\u003eEfficient vacuum degassing to maintain desired preset conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"text-indent: -9.75pt;line-height: normal;margin: 9.0pt 0cm 0cm 9.75pt\"\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003cspan\u003e   \u003c\/span\u003e•\u003cspan\u003e  \u003c\/span\u003eFeatures ozone sterilization capability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cspan style=\"color: #0e0e0e\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003e3. User-Friendly Interface\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"text-indent: -9.75pt;line-height: normal;margin: 9.0pt 0cm 0cm 9.75pt\"\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003cspan\u003e   \u003c\/span\u003e•\u003cspan\u003e  \u003c\/span\u003eTouch-screen interface for intuitive operation and real-time parameter display.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"text-indent: -9.75pt;line-height: normal;margin: 9.0pt 0cm 0cm 9.75pt\"\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003cspan\u003e   \u003c\/span\u003e•\u003cspan\u003e  \u003c\/span\u003eBilingual (Chinese and English) interface for versatile user needs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cspan style=\"color: #0e0e0e\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003e4. Flexible Design\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"text-indent: -9.75pt;line-height: normal;margin: 9.0pt 0cm 0cm 9.75pt\"\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003cspan\u003e   \u003c\/span\u003e•\u003cspan\u003e  \u003c\/span\u003eIntegrated tank cleaning functionality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"text-indent: -9.75pt;line-height: normal;margin: 9.0pt 0cm 0cm 9.75pt\"\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003cspan\u003e   \u003c\/span\u003e•\u003cspan\u003e  \u003c\/span\u003eCompact design with wheels for easy mobility.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cspan style=\"color: #0e0e0e\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003e5. Compliance and Certification\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"text-indent: -9.75pt;line-height: normal;margin: 9.0pt 0cm 0cm 9.75pt\"\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003cspan\u003e   \u003c\/span\u003e•\u003cspan\u003e  \u003c\/span\u003eIncludes IQ\/OQ certification documentation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003eProduct Specifications\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003eParameter\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: black\"\u003e\u003cspan\u003e     \u003c\/span\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003eSpecification\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: #0e0e0e\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003eModel\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: black\"\u003e\u003cspan\u003e    \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #0e0e0e\"\u003eHTQ-1A\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003eProduct Number\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: black\"\u003e\u003cspan\u003e  \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #0e0e0e\"\u003e10112101\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003eTank Capacity\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: black\"\u003e\u003cspan\u003e     \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #0e0e0e\"\u003e25L\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003eVacuum Pressure\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: black\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #0e0e0e\"\u003e-0.080–0Mpa\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003eResolution\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: black\"\u003e\u003cspan\u003e     \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #0e0e0e\"\u003e0.001Mpa\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003eControl Precision\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: black\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #0e0e0e\"\u003e±0.01Mpa\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003eAdjustment Range\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: black\"\u003e\u003cspan\u003e      \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #0e0e0e\"\u003eRoom temperature to 45.0°C\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003eTemperature Uniformity\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: black\"\u003e\u003cspan\u003e     \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #0e0e0e\"\u003e0.1°C\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003eControl Precision\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: black\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #0e0e0e\"\u003e±0.3°C\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0cm;line-height: normal\"\u003e\u003cb\u003e\u003cspan style=\"color: #0e0e0e\"\u003ePower Supply\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"color: black\"\u003e\u003cspan\u003e       \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #0e0e0e\"\u003eAC220V±10%, 50Hz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"margin-top: 15px\"\u003e\n\u003cspan\u003e\n\u003cb\u003eNote:\u003c\/b\u003e Our lab instruments support basic audit trails strictly per USP\/ChP standards.\n  \u003c\/span\u003e\n\u003c\/p\u003e\n\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What pharmacopoeial standard governs dissolution testing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Dissolution testing is governed by \u003cstrong\u003eUSP \u0026lt;711\u0026gt;\u003c\/strong\u003e (United States Pharmacopeia), \u003cstrong\u003eChP 0931\u003c\/strong\u003e (Chinese Pharmacopoeia), and \u003cstrong\u003ePh.Eur. 2.9.3\u003c\/strong\u003e (European Pharmacopoeia). All Huanghai RCZ-series dissolution testers are designed to comply with USP \u0026lt;711\u0026gt; paddle and basket methods, meeting the ±0.5 rpm speed tolerance and ±0.5°C temperature control requirements. For international market access, verify which pharmacopoeia your target regulatory body recognizes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many dissolution channels do I need for a QC lab?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Channel selection depends on your batch size and testing throughput. A \u003ca href=\"https:\/\/drugmachines.com\/products\/rcz-6n-intelligent-pharmaceutical-dissolution-tester\"\u003e6-channel tester (RCZ-6N)\u003c\/a\u003e suits small-volume labs running one formulation at a time. An \u003ca href=\"https:\/\/drugmachines.com\/products\/rcz-8a-intelligent-pharmaceutical-dissolution-tester\"\u003e8-channel tester (RCZ-8A)\u003c\/a\u003e accommodates USP \u0026lt;711\u0026gt; 6-vessel runs with 2 spares. A \u003ca href=\"https:\/\/drugmachines.com\/products\/rcz-12a-intelligent-pharmaceutical-dissolution-tester\"\u003e12-channel tester (RCZ-12A)\u003c\/a\u003e is ideal for high-throughput labs running two products simultaneously. As a rule: choose at minimum 8 channels for routine QC; upgrade to 12 if you have more than 3 active products in QC testing. \u003ca href=\"https:\/\/drugmachines.com\/pages\/contact\"\u003eContact us for pricing.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between syringe pump and peristaltic pump in automated sampling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Syringe pumps (used in Huanghai RCZ-QY series) deliver precise, pulsation-free sample withdrawal—critical for viscous media or flow-sensitive APIs. Peristaltic pumps are lower cost but introduce pulsation artifacts that can affect UV absorbance readings in inline detection. For validated methods submitted to regulatory agencies, syringe-pump systems such as the \u003ca href=\"https:\/\/drugmachines.com\/products\/rcz-qy12-automatic-sampling-system\"\u003eRCZ-QY12\u003c\/a\u003e are preferred because they demonstrate superior reproducibility in audit-trail-backed data.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should dissolution media be degassed before testing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: USP \u0026lt;711\u0026gt; recommends degassing dissolution media immediately before use to remove dissolved oxygen that can cause bubble formation on tablet surfaces—leading to false-low dissolution results. Best practice: degas each media batch within 30 minutes of testing. The \u003ca href=\"https:\/\/drugmachines.com\/products\/htq-1a-vacuum-degasser\"\u003eHTQ-1A Vacuum Degasser\u003c\/a\u003e processes up to 25 liters in a single cycle using vacuum + UV sterilization, eliminating microbial contamination risk. For labs running 8–12 channel testers, a dedicated degasser prevents throughput bottlenecks between runs.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What pharmacopoeial standard governs dissolution testing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Dissolution testing is governed by USP \u0026lt;711\u0026gt; (United States Pharmacopeia), ChP 0931 (Chinese Pharmacopoeia), and Ph.Eur. 2.9.3 (European Pharmacopoeia). All Huanghai RCZ-series dissolution testers are designed to comply with USP \u0026lt;711\u0026gt; paddle and basket methods, meeting the ±0.5 rpm speed tolerance and ±0.5°C temperature control requirements. For international market access, verify which pharmacopoeia your target regulatory body recognizes.\"}}, {\"@type\": \"Question\", \"name\": \"How many dissolution channels do I need for a QC lab?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Channel selection depends on your batch size and testing throughput. A 6-channel tester (RCZ-6N) suits small-volume labs running one formulation at a time. An 8-channel tester (RCZ-8A) accommodates USP \u0026lt;711\u0026gt; 6-vessel runs with 2 spares. A 12-channel tester (RCZ-12A) is ideal for high-throughput labs running two products simultaneously. As a rule: choose at minimum 8 channels for routine QC; upgrade to 12 if you have more than 3 active products in QC testing. Contact us for pricing.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between syringe pump and peristaltic pump in automated sampling?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Syringe pumps (used in Huanghai RCZ-QY series) deliver precise, pulsation-free sample withdrawal—critical for viscous media or flow-sensitive APIs. Peristaltic pumps are lower cost but introduce pulsation artifacts that can affect UV absorbance readings in inline detection. For validated methods submitted to regulatory agencies, syringe-pump systems such as the RCZ-QY12 are preferred because they demonstrate superior reproducibility in audit-trail-backed data.\"}}, {\"@type\": \"Question\", \"name\": \"How often should dissolution media be degassed before testing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"USP \u0026lt;711\u0026gt; recommends degassing dissolution media immediately before use to remove dissolved oxygen that can cause bubble formation on tablet surfaces—leading to false-low dissolution results. Best practice: degas each media batch within 30 minutes of testing. The HTQ-1A Vacuum Degasser processes up to 25 liters in a single cycle using vacuum + UV sterilization, eliminating microbial contamination risk. For labs running 8–12 channel testers, a dedicated degasser prevents throughput bottlenecks between runs.\"}}]}\u003c\/script\u003e","brand":"Huanghai","offers":[{"title":"Default Title","offer_id":44205699137593,"sku":null,"price":7074.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/2495\/2889\/files\/vacuum_degasser_for_pharmaceutical_dissolution.jpg?v=1744296318"}],"url":"https:\/\/79dv0w-hi.myshopify.com\/collections\/vacuum-degasser.oembed","provider":"Huanghai Pharmaceutical Instruments","version":"1.0","type":"link"}