Water Purification Buyer's Guide
May 2017 - Vol. 6 No. 4 - Page #16

The PURELAB Chorus from ELGA LabWater provides water quality ideal for clinical laboratory purity requirements. ELGA’s range of pure and ultrapure water purification systems manage either a few liters or up to thousands of liters of water per day. The Chorus features full recirculation for the highest microbial purity, real-time TOC (total organic carbon) monitoring, and PureSure technology, which ensures accurate results with uninterrupted workflow. The systems also have the ability to configure a number of dispensers to allow for multiple users and provide flexible dispensing in six different ways. These reliable units are constructed from high quality components to ensure optimal purity and have built-in economical processes, which result in low consumable costs with the high water quality and precision.

ELGA LabWater
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The WaterPro PS Polishing System from Labconco delivers Type I water to fit the demands of clinical laboratories. With purity up to 18.2 megohm-cm, this system dispenses water from either a dispensing valve or dispensing gun at a typical rate of 1.8 liters per minute. WaterPro PS models are available in multiple configurations, filtering out even the toughest impurities. The control panel includes a digital readout of water quality level and features a user-friendly timed dispense feature that allows unattended dispensing of pure water. The units utilize leak detection moisture sensors and may also be purchased with a UV light to achieve ultra-low bacteria and TOCs. Each WaterPro model may be used with a final filter to reduce contaminants greater than 0.2 microns in diameter. The cabinet features a stainless steel front panel and built-in dispensing center for a small overall footprint and easy installation. The large capacity filter media bowls are made of unpigmented virgin natural polypropylene, an inert material free of water contaminating impurities.

Labconco
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The AFS E System from MilliporeSigma was developed to provide an economical and reliable high-performance water purification solution for clinical analyzers with pure water needs of up to 3000 liters daily. In busy and demanding biomedical laboratories, a robust and low-maintenance water purification system is key to smooth and uninterrupted operations. Sourcing directly from tap water, AFS E systems have been designed to deliver consistent water quality that exceeds CLSI clinical laboratory reagent water (CLRW) standards for accurate and reproducible diagnostic test results. AFS E systems incorporate advanced water purification technologies including the Elix electrodeionization module and E.R.A. (Evolutive Reject Adjustment) technology, enabling biomedical lab staff to focus on their work, save time, and reduce running costs. These systems are quiet, compact, and mobile, and authorized users enjoy 24/7 real-time remote monitoring and remote control of their water purification systems.

MilliporeSigma
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The MEDICA from ELGA LabWater provides a constant and reliable supply of NCCLS compliant water with built-in, wrap-around reservoirs to occupy a minimal amount of space in the laboratory. Constructed from high quality components, these systems deliver bacterial control and optimal purity, as well as an uninterrupted workflow. Features include a recirculation of high purity water, ensuring consistent high quality with low bacterial specification as well as long-lasting deionization cartridges that reduce exchange frequencies and running costs. All MEDICA units have a bypass loop, which continues to provide NCCLS compliant water to the analyzer in emergency situations.

ELGA LabWater
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The WaterPro BT from Labconco delivers ultrapure Type I water, up to 18.2 megohm-cm at a typical rate of >0.5 liter per minute for laboratories needing 1-10 liters per day. Type I water is ideal for many applications including instrumental trace element analysis, mixing standardized acid/base solutions, and media solutions. An optional UV lamp further reduces the bacteria and TOC levels necessary for life science applications. Reverse osmosis (Type III) water is produced and stored in the integral six-liter tank at a rate of 3 liters per hour. Type III water is ideal for non-critical laboratory applications such as reagent preparation and glassware rinsing. Compact, lightweight and quick to install, the WaterPro BT may be easily transported and shared among labs. Installation requires simple connections to a tap water supply, drain, and power source. The Filter Pack bundles all water filter technologies (reverse osmosis, activated carbon filtration, and deionization) into one convenient twin cartridge package. Simply snap the Filter Pack into place and installation is complete.

Labconco
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The arium mini from Sartorius offers a new and compact ultrapure water system. This system delivers a flow rate of one liter per minute and is specially designed for ultrapure water requirements of less than 10 liters per day. This space-saving unit with a width of only 28 centimeters (11 inches) easily integrates into nearly any lab environment. Feed water is supplied via a 5-liter bag integrated into the side of the system. The closed bagtank system prevents secondary contamination while ensuring consistent long-term water quality. Uncomplicated exchange of the bag also facilitates upkeep of the system and reduces maintenance time compared to conventional tank systems. The bagtank does not require any hazardous cleaning chemicals, further increasing user safety.

The system is equipped with a high-resolution, touch-activated color display featuring user-friendly icons to guide the user. The favorites function automatically stores the volume of ultrapure water last dispensed, thereby helping to prevent errors during repeated dispensing of identical volumes.

The standard version of arium mini is independent of a permanently installed water tap. Water is supplied to this system via the integrated bag, which is filled by a built-in pump. In the process, pretreated water is pumped into the bag automatically and is thus used as feed water for the production of ultrapure water.

The version with expanded features, arium mini Plus, can be directly connected to a feed water tap. With this system, feed water is treated first by a pretreatment cartridge, which consists of a combination of activated carbon and a reverse osmosis module, and is safely stored intermediately in the integrated bag of the system. Final production of ultrapure water then takes place using a specially developed arium Scientific purification cartridge. For analytical and especially critical applications, such as HPLC, arium mini also can be optionally ordered in a version equipped with an integrated UV lamp (185/254 nm).

Sartorius
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