LAR 501-40-000106 Glass Reactor for UV Method (Old P/N: 501-04-000021)

Overview

The LAR 501-40-000106 Glass Reactor for UV Method (formerly identified by the legacy part number 501-04-000021) is the central reaction chamber where the critical chemical processes of advanced water quality analysis take place. Manufactured specifically for LAR Process Analysers, this highly specialized quartz glass vessel houses the sample fluid, the oxidizing reagents, and the ultraviolet emitter. Within this confined, highly controlled environment, complex organic carbon structures are rapidly and completely broken down, enabling analytical instruments like the QuickTOCuv to deliver precise, real-time measurements of Total Organic Carbon (TOC) and Non-Purgeable Organic Carbon (NPOC).

As a leading specialized technical supplier, commercial vendor, and independent B2B procurement consultant, Seven Star LLC is dedicated to providing genuine analytical instrumentation parts to heavy industries across the Sultanate of Oman, Muscat, and the GCC. Supplying the LAR 501-40-000106 Glass Reactor ensures that our clients in the petrochemical, power generation, and municipal water treatment sectors can maintain their continuous environmental monitoring systems without compromising on analytical accuracy or suffering from extended operational downtime.

Measurement Principle: The Core of UV Oxidation

In TOC analysis utilizing the UV-persulfate method, the complete oxidation of organic matter into carbon dioxide (CO₂) is the absolute foundation of an accurate measurement. The efficiency of this oxidation is not only dependent on the chemical reagents and the UV lamp but also heavily reliant on the physical and fluidic environment in which the reaction occurs. This is the exclusive function of the LAR 501-40-000106 Glass Reactor.

The reactor is designed to securely hold the central UV emitter while the water sample and sodium persulfate reagent flow continuously through the annular space between the lamp and the reactor’s outer glass wall. This geometry is critical: it ensures that the fluid layer is thin enough for high-intensity 254 nm ultraviolet light to penetrate the entire sample volume completely. The UV energy photolytically breaks down carbon bonds and simultaneously activates the persulfate to create highly aggressive hydroxyl radicals. The design of the glass reactor ensures maximum turbulence and mixing, guaranteeing that no organic molecules bypass the oxidation zone, resulting in a 100% conversion to measurable CO₂.

Engineering Design of the LAR 501-40-000106

The engineering specifications of the LAR 501-40-000106 demand exceptional material purity and mechanical precision. The reactor is constructed from premium laboratory-grade quartz glass. This material choice is mandatory because standard borosilicate glass is entirely opaque to the highly energetic, short-wavelength UV light necessary for this process. The quartz construction also provides extreme chemical resistance to the harsh, highly acidic oxidation reagents used continuously during TOC analysis.

The physical architecture of the vessel features precisely positioned inlet and outlet nozzles fused seamlessly into the main cylinder. These nozzles are engineered to create a specific hydrodynamic flow pattern—often a swirling or cyclonic motion—that prevents dead zones where unoxidized sample could pool. Furthermore, the reactor is designed to integrate perfectly with the analyzer’s carrier gas sparging system, allowing the newly formed CO₂ to be efficiently stripped from the liquid phase and transported directly to the NDIR detector. Its robust design allows maintenance engineers in demanding industrial facilities, such as the refining complexes in Sohar, to handle and clean the reactor safely during scheduled preventative maintenance.

Key Features

The LAR 501-40-000106 Glass Reactor offers essential performance characteristics for continuous process analyzers:

• Constructed from ultra-pure quartz glass to ensure zero interference with internal UV light transmission.
• Direct OEM replacement component (supersedes legacy P/N 501-04-000021) for seamless integration into LAR QuickTOCuv analyzers.
• Optimized internal geometry providing ideal fluid layer thickness for maximum UV penetration and radical generation.
• Precision-fused inlet and outlet ports designed to create turbulent mixing and eliminate flow dead zones.
• Exceptional chemical resistance against harsh acids, bases, and aggressive persulfate oxidation reagents.
• High thermal shock resistance, preventing glass fracture during localized heating by the UV emitter.
• Transparent construction allowing operators to visually inspect the reaction process and identify scaling or fouling.
• Smooth internal surfaces minimizing the adhesion of biofilms, particulates, and mineral scale.

Industrial Applications

The integrity of the UV reaction chamber is critical in applications where ultra-low-level TOC detection is required. In the massive power generation and desalination plants throughout Oman and the GCC, the LAR 501-40-000106 is utilized within TOC analyzers to continuously monitor the purity of boiler feed water and reverse osmosis (RO) permeate. If the reactor glass becomes permanently etched or fouled, UV light transmission drops, oxidation becomes incomplete, and the analyzer will falsely report safe (low) TOC levels—potentially leading to catastrophic boiler scaling or turbine blade corrosion.

Similarly, in pharmaceutical manufacturing and semiconductor fabrication facilities located in Muscat and beyond, validating the absolute purity of Ultrapure Water (UPW) relies entirely on the efficiency of this glass reactor. By partnering with Seven Star LLC for their procurement needs, industrial maintenance teams guarantee access to these genuine LAR Process Analysers components, enabling rapid replacement during critical turnarounds and ensuring their water quality monitoring systems remain highly accurate and compliant with all regulatory standards.

Technical Specifications

The following table outlines the technical specifications of the LAR 501-40-000106 Glass Reactor:

Call To Action

Ensure the fundamental accuracy of your TOC measurements by maintaining a pristine reaction environment. For official pricing, regional stock inquiries, or technical support regarding the LAR 501-40-000106 Glass Reactor for UV Method, please contact the specialized B2B sales division at Seven Star LLC. Serving Oman and the wider GCC region, our experienced commercial team is ready to rapidly supply genuine LAR Process Analysers replacement parts to support your facility’s critical operational and environmental monitoring requirements.