Pharmaceutical Dissolution Testing Solutions

Pharmaceutical Dissolution Testing Solutions

Dissolution testing plays a crucial role in ensuring drug performance, quality, and regulatory compliance across the pharmaceutical manufacturing process. At HUANGHAI, we provide a full spectrum of dissolution testers tailored to meet the demands of R&D labs, QC units, and production lines.

Why Dissolution Testing Matters

Dissolution testing evaluates how efficiently and consistently a drug dissolves in a liquid medium — a key factor for bioavailability and therapeutic effect. Regulatory authorities like the USP, FDA, and EMA require dissolution testing as part of routine quality control and batch release protocols for solid oral dosage forms such as tablets and capsules.

By ensuring accurate and repeatable dissolution profiles, pharmaceutical manufacturers can optimize formulations, reduce variability, and maintain compliance with industry standards.

Our Dissolution Instruments at a Glance

HUANGHAI offers a diverse range of dissolution testers built for performance, precision, and ease of use:

  • Manual, Semi-Automatic, and Fully Automatic models
  • 6, 8, or 12 Vessel configurations
  • USP Apparatus I (Basket) & II (Paddle) support
  • Advanced temperature control and real-time monitoring
  • Audit trail and user management on intelligent models (RCZ-6N, RCZ-8N, RCZ-8A, RCZ-12A)

🧪 View our full product line here

Solutions by Application Stage

Whether you are developing new formulations or performing routine QC, we offer tailored solutions to fit your stage of production:

  • R&D Laboratories: Flexible, configurable units with high measurement sensitivity
  • Quality Control Labs: Robust systems with high repeatability and minimal variability
  • Manufacturing Floor: Automated systems with batch processing capabilities and compliance documentation

Key Features to Ensure Compliance & Accuracy

All HUANGHAI dissolution testers are built with compliance and precision in mind:

  • Supports USP I & II apparatus
  • Temperature control accuracy ≤±0.3°C
  • HMI touch screens with programmable parameters
  • Data export via USB, plus printer output
  • Intelligent models (RCZ-6N/8N/8A/12A) include audit trail and user access control — features that support a 21 CFR Part 11 workflow

Customization & Global Support

We understand the unique requirements of each lab. That’s why HUANGHAI offers:

  • OEM and ODM services
  • Customizable vessel quantity and automation levels
  • Spare parts and consumables support
  • Installation, training, and global after-sales assistance

Talk to Our Experts

Need help selecting the right dissolution tester for your facility?

  • Contact our team for a free consultation
  • Download a brochure or request a product quote
  • Chat with us via WhatsApp or email for quick assistance

Let HUANGHAI be your trusted partner in pharmaceutical quality control.


Frequently Asked Questions

Q: What pharmacopoeial standard governs dissolution testing?

A: Dissolution testing is governed by USP <711> (United States Pharmacopeia), ChP 0931 (Chinese Pharmacopoeia), and Ph.Eur. 2.9.3 (European Pharmacopoeia). Huanghai RCZ-series dissolution testers follow the USP <711> basket and paddle methods, with 10–300 rpm speed control and the 37 ± 0.5 °C medium temperature the method requires. For international market access, verify which pharmacopoeia your target regulatory body recognizes.

Q: How many dissolution channels do I need for a QC lab?

A: 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 <711> 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.

Q: What is the difference between syringe pump and peristaltic pump in automated sampling?

A: Syringe pumps deliver precise, pulsation-free sample withdrawal — useful for viscous media or flow-sensitive APIs. Peristaltic pumps cost less but can introduce pulsation that affects UV absorbance readings in inline detection. Huanghai's automated sampling systems such as the RCZ-QY12 use high-precision imported pumps; tell us your media and method so we can confirm the right sampling setup.

Q: Does the dissolution tester support FDA 21 CFR Part 11 compliance?

A: Huanghai's intelligent dissolution testers (RCZ-6N, RCZ-8N, RCZ-8A, RCZ-12A) and the ZQY-8A/12A auto-samplers are designed with features that support a 21 CFR Part 11 workflow: three-level user management, an audit trail of parameter changes and operator actions, and data export. Part 11 compliance itself is achieved through your own validated procedures and data systems, not by the instrument alone. Contact us to discuss the documentation you need for your regulatory submission.

Q: How often should dissolution media be degassed before testing?

A: USP <711> notes that dissolved gases can form bubbles on the dosage form and alter dissolution results, so media are commonly degassed shortly before use. The HTQ-1A Vacuum Degasser degasses purified, distilled or deionized water in a 25 L mobile tank by vacuum, heating and circulation, with UV sterilization of the tank. For labs running 8–12 channel testers, a dedicated degasser helps avoid bottlenecks between runs.

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