Introduction

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Palintest Tubetests are integrated with the Palintest photometer system so as to provide a complete system for COD measurement. Palintest COD Tubetests are offered in four ranges: 150 mg/l, 400 mg/l, 2000 mg/l and 20,000 mg/l.

The reagent formulations are based on those specified in recognised international standard methods and meet the requirements of conformity testing against national and international standards.

Four types are available, allowing the user to choose the most environmentally-friendly product for their application:

• The mercury-free formulation is recommended for general use
• The formulation with mercuric sulphate (M) is provided for use in standard procedures which require the suppression of interference due to moderate levels of Chloride
• The high Chloride formulation (2M) provides much higher levels of chloride suppression and is suitable for working with samples with very high Chloride levels
• The new M/C formulations with mercuric sulphate are specifically for use in non-Palintest instruments, and allow users of compatible instruments to take advantage of the price, quality, and service we offer, whilst using their existing instrumentation. The new product comes in 3 ranges: up to 150mg/l, up to 1500mg/l and up to 15,000 mg/l.

Reliability

The reagent formulations are based on those specified in recognised international standard methods and meet the requirements of conformity testing against national and international standards.

COD Laboratory Set

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The COD Laboratory Set contains all of the hardware required to carry out COD tests quickly and efficiently - COD Tubetests Heater with built-in safety system, test tube rack and micropipettor.

The Palintest COD Tubetests heater is a dedicated dry-block heater which allows up to 12 tubes to be digested at the same time. Temperature fluctuation is controlled by the use of a platinum sensor controller providing uniform and controlled heating to the correct temperature for all the tubes placed in the block. The heater has a metal case construction and is fitted with an illuminated ON/OFF switch and heater indicator lamp. Available in 220/240v 50 Hz and 110/220v 60 Hz versions. A 24-tube block is also available to special order.

The Palintest Tubetests Heater (PT 589), Thermometer (PT 689), Test Tube Rack (PT 588), Photometer Adapter (PT 586) and Micropipettor (PT 572) are all available separately for use with existing equipment.

The multi-tube block heater offers significant advantages in space saving and power consumption compared with the traditional method. The Palintest Tubetests range, of which the COD tubes are one product line, covers all the main parameters needed for water and effluent monitoring, including Ammonia, Nitrate, Total Nitrogen, Phosphate, Total Phosphorous, Nickel, Chromium, Iron, Zinc and Copper.

The Lab Set is intended for use with any of Palintest's multi-parameter photometers

Photometer Systems

The Palintest COD laboratory set is intended for use in conjunction with one of Palintest’s multi-parameter photometers. The Photometer systems which can be provided as an integral part of the COD determination are purpose designed to provide a high quality analysis with complete data capture capability.

Photometer 8000

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The Palintest Photometer 8000 sets a new standard for water quality testing and ease of operation. It is designed to provide accurate and fast analysis for even the busiest test labs. Covering the full range of tests for clean and wastewater, it is compatible with all Palintest tablet and liquid photometer tests.

• Full range of pre-programmed tests
• Automatic method and wavelength set-up
• Touch screen with language selection
• Advanced optics technology with high sensitivity
• Unique adaptive cell holder
• Remote software update by e-mail

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Photometer 7100 & 7500

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Palintest has introduced two new, high performance, fully featured portable photometers for water analysis. The 7100 and 7500 can accurately analyse all the major inorganic constituents of water together with treatment additives and pollutants. They are rugged, fully waterproof, easy-to-use and provide quick, accurate test results.

• Fully waterproof with IP67 rating
• Rugged, portable design with no moving parts
• Automatic method set up for each parameter
• Large backlit screen

7500 also features:

• USB port for easy computer interface
• 500 test results stored on board

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Services

Palintest has been manufacturing COD Tubetests for several years and provides a complete end-to-end service for all its COD and Tubetests customers, including pre-sales advice from trained sales staff and qualified technical support staff. Technical support is offered by telephone, e-mail, and by on-site visit where appropriate, both prior to sale and after sale.

Product and method training is available either as on-site training, offsite, or in the form of self-training materials supplied in CD multimedia formats. Please contact us if you would like to receive a COD training package on CD. Product support includes availability of QC certification, and standards for both instrument and methods calibration, as well as full safety documentation including Health and Safety Data sheets.

Palintest runs a dedicated instrument repair and servicing facility at its UK manufacturing plant which provides general repair, as well as annual check-up and recalibration services for ISO quality programmes.

Palintest is a licensed waste handler, and provides a collection service to its customers in selected countries for the collection and disposal of the used tubes. The disposal service we provide allows users to meet their obligations under the UK Special Waste and Duty of Care Regulations. The service offered is in support of our own environmental policy as we work towards ISO 14001.