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Electrical Conductivity / High Voltage Leak Detection

Analytical >> Container Closure Integrity >> Electrical Conductivity / High Voltage Leak Detection (HVLD)

AMRI conducts electrical conductivity / high voltage leak detection (HVLD) testing on a range of package systems, including parenteral vials, prefilled cartridges and syringes, plastic containers and plastic bags or pouches.

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Conductivity Determination

Analytical >> Container Closure Integrity >> Electrical Conductivity / High Voltage Leak Detection (HVLD)

Shijiazhuang Rainbowlabs pharmaceutical Technology Co. Ltd (Rainbowlabs) is a FDA-inspected laboratory set up to provide high quality laboratory testing and services to pharmaceutical companies throughout the world.

Container Closure Integrity Testing (CCIT) is an assay that evaluates the adequacy of container closure systems to maintain a sterile barrier against potential contaminants. Contaminants that could potentially cross a container closure barrier include microorganisms, reactive gases, and other substances (USP <1207>). Container closure systems should maintain the sterility and product quality of sterile final pharmaceutical, biological, and vaccine products throughout their shelf-life. Container closure systems consist of primary packaging components and secondary packaging components (USP <1207>). Primary packaging components are those components that come into direct contact with the product, such as a glass vial or syringe. While, secondary packaging components are those components that are vital to ensure correct package assembly, such as aluminum caps over stoppers (USP <1207>). Container closure integrity testing can be performed in many different ways. All of the testing methods have pros and cons. In addition, some containers, such as ampoules, require 100% integrity testing. Contract Container Integrity Testing laboratories offer numerous state- of-the-art options for leak testing and assessing pharmaceutical package integrity per USP <1207>. Container Closure Integrity test programs have been successfully used to optimize sealing parameters, evaluate container storage temperature impact, replace sterility tests for product stability batches, screen production lots for faulty packages and support regulatory submission applications for product commercialization around the world. The Electrical Conductivity and Capacitance Test is also known as High Voltage Leak Detection (HVLD). This assay looks for leaks in walls of nonporous, rigid or flexible packaging containing liquid or semi-liquid product (e.g. ampoules) (USP <1207.2> ). During the assay, a high voltage and high frequency charge is applied across the container closure system. A detected leak will cause an increase in current across the high voltage electrodes, triggering the reject mechanism for the leak detector. Key factors for the assay include the voltage level, probe positioning, the container-closure system geometry, the wall thickness, and the product formulation. Analytical service providers conduct electrical conductivity / high voltage leak detection (HVLD) testing on a range of package systems, including parenteral vials, prefilled cartridges and syringes, plastic containers and plastic bags or pouches.

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