Sample preparation for standard analysis

For determining the depth of visibility and light permeability of water. Sturdy design made of strong, hard-wearing plastic. Lead weight for better lowering. The approx. 15 cm high rod is fitted with an eyelet for fastening the lowering engine. The lowering line is marked in intervals of 100 cm with figures from 1 to 10 and in between additionally with line markings each 50 cm for better reading of the depth of visibility while the disk is being lowered.
Lowering line, please order separately.

Column elution unit:
Column elution unit in acc. with the LUA recommendation with 4-channel hose pump with controllable speed. The unit consists of :

• Assembly stand for the system
• Controllable 4-channel hose pump with fixed speed
• Storage vessel, 20 l
• 4 elution columns, internal diameter 6 cm, 32 cm long, with 2 screwed joints (GL 45, with PTFE inserts) for simple filling of the columns
• 4 collection bottles for the column eluate, 2 l, with screwed joint (GL 45) and deaeration
• Supply tube made of TYGON and PVC, with non-return valve in the supply to the column
• PTFE tubes between columns and collection vessels
• Flow rate 0.003 to 35 ml/min
• Range of speed 2 to 100 min-1
• Simultaneous control of all 4 channels

behrotest^® silica sand:
for column elution unit, grain size 1 to 2 mm in acc. with DIN V 19736, 1000 g bottle

behrotest^® silica wool:
for column elution unit, 100 g bag

Percolation equipment to jointly examine the elution behaviour of inorganic and organic substances in solid matters. Including hose pump with 2 channels and 2 different pump tubes for a flow rate of 0.25-12 ml/min. and 0.66-33 ml/min. (Other pump tubes upon request).
Complete equipment, consisting of

• Percolation columns with pre-filters on sturdy stands
• Storage bottle with cap and tube
• Tube
• Eluate lead made of PTFE
• Storage vessel made of glass, cap with ventilation tube

The Aquabox flow-through unit enables the correct, expert determination of on-site parameters during the collection of soil and sewage samples. The unit permits the simultaneous determination of electrolytic and physico-chemical parameters under optimal and reproducible flow conditions.

Aquabox is constructed of transparent, shock-resistant PETG, a thermoplastic copolyester. The transparent construction allows constant visual identification of problems during operation, e.g. sand or sediment contamination. All components which come into contact with water are made of non-wetting PETG (flow chamber and lid) or PP (inlet and outlet tubing). Therefore the water being sampled is not affected by any release of contaminants from the materials used for construction of the Aquabox. The lid is splashproof and easy to open and close by means of a quick-release fastener. The lid has 6 variable diameter, splashproof sensor holders for inserting sensors up to 25mm diameter (larger diameters available on request).

• The water spirals upward in the chamber around the positioned electrodes and flows out over the splashproof outer housing.
• Six holders in the lid with variable diameters provide secure sensor mounting in the peak flow area.
• On-site measurements are made easy due to the rugged construction materials.
• Water flow can be adjusted using a valve.
• An inlet bypass valve allows sampling.
• Aquabox is quick and easy to disassemble without the need for tools through a central threaded joint.

Aquabox application areas:

• In the laboratory and on-site.
• In-line and point sample operation also possible.

behrotest ^® homogenisers. With transportable sample vessels. Homogenisers for pre-treatment, splitting and homogenization of heterogeneous water samples in accordance with the quality assurance and quality control standards for wastewater examinations. The vessels of the homogenizers are protected against damage in the yolk type frame and can be carried easily by the two handles. They can be filled at the sampling location by a flattened inlet connection. Capacities from 2 to 25 l permit extraction and collection of multiple samples. Exact measurement of the sample quantities due to graduation. Subsequently, the transport rack is just placed on the magnetic stirrer in the laboratory or in the sampling vehicle and the homogeniser is immediately ready for use. The speed of the magnetic stirrer can be adjusted by a controller. The user can thus comply with the specified cone height in all cases. Oxygen is thus prevented from entering the samples. Dosed extraction of the homogenised sample via PTFE spindle stopcock. 12V, with adapter for mains connection.

Complete and compact system for volatile oil determination according to DAB, with base unit, heating mantle, mounting frame and glassware.

The injection of steam into the sample
guarantees a particularly gentle and uniform distillation. Steam is produced almost immediately (within maximum of 30seconds). The maximum period of steam injection depends only on the size of the external
container.
In WE 1 the distillation occurs only as a result of water vapour
injection into the sample.

Compatible for use on all Cryoscopes compliant to International Reference Standard ISO5764/IDF108 for the determination of Freezing Point in milk. High accuracy, 1 year shelf-life (from Date of Manufacturing). Supplied in 250 and 100ml HDPE bottle and a convenient cap with collapsible filling nozzle

The behrotest^® clean-up column with glass frit corresponds exactly to the provisions of ISO 9377-2.
The practical twin stand provides safe support for two complete clean-up units with dropping funnel, clean-up columns and Kuderna-Danish flasks. Thus, the complete clean-up procedure can be carried out for two samples simultaneously - without delays due to time-consuming equipment or sample manipulation.
Clean-up-Station, supplied as: stand, 2 graduated round, bottom flasks, 100ml, 2 columns with grade 2 frits