Auxiliary equipment

COD digestion unit

COD digestion unit

For determining the chemical oxygen demand, e.g. in accordance with DIN 38409/German standard method H41.

Digestion in aluminium heating block with precise temperature control.

Heating up samples to 148 °C in less than 10 minutes.

Reliable technology from C. Gerhardt with innovative functions facilitate the daily routine in laboratories and enable a smooth digestion process.

Available with various configurations.
Trace metal digestion unit

Trace metal digestion unit

For determining the acid-soluble proportion of metals in sewage sludges, sediments and soils with aqua regia, e.g. in accordance with DIN 38414/German standard method.

Digestion in aluminium heating block with precise temperature control.
Racks and frame covered with special acid-resistant coating.

Reliable technology from C. Gerhardt with innovative functions facilitate the daily routine in laboratories and enable a smooth digestion process.

Available with various configurations.
Cyanide Equipment

Cyanide Equipment

Digestion apparatus specifically developed for the decomposition and purging of water and soil samples for the determination of easily released cyanides and total cyanide, as well as other volatile gases.


Proven C. Gerhardt technology based on the TURBOTHERM rapid digestion unit.
Quick, even heating thanks to infrared technology.
With a flow meter and magnetic agitator at each heating point.

In accordance with DIN 38405 and DIN ISO 11262.


Available with various fittings.
LABOSHAKE HEAVY-LOAD SHAKER

LABOSHAKE HEAVY-LOAD SHAKER

Sturdy, reliable laboratory shaker in tried and tested C. Gerhardt quality, with linear or circular motion, for all shaking tasks in chemical, biological or microbiological laboratories.
THERMOSHAKE incubator shaker

THERMOSHAKE incubator shaker

Sturdy, powerful incubator shaker in tried and tested C. Gerhardt quality, with linear or circular motion, based on LABOSHAKE.

For homogeneous mixing of organic cultures at a constant temperature and constant speed in continuous operation.
Classic Laboratory Heater

Classic Laboratory Heater

Sturdy, classic laboratory heater in tried and tested C. Gerhardt quality.

As a compact individual heater or space-saving serial heating unit for rational working in series.

For reliable and lasting intensive heating of laboratory glassware with a flat or rounded base.

Varied applications thanks to comprehensive range of accessories.
Rapid dryer for laboratory glassware

Rapid dryer for laboratory glassware

Laboratory glass dryer in tried and tested C. Gerhardt quality.

Dry laboratory glassware in just 6 - 15 minutes thanks to filtered hot air.
Simultaneous drying of up to 56 tubes.

Rotating dryer attachment with 24 air nozzles with 16 mm diameter and 32 nozzles with 11 mm diameter.
Maximum temperature in tube approx. 50 °C.
Cold or hot operation. With electrical timer
TURBOSOG fume suction system

TURBOSOG fume suction system

Powerful fume suction washer in tried and tested C- Gerhardt quality for extraction and neutralisation of the inorganic acid fumes created during digestion.
Typically used for digestion with sulphuric acid in nitrogen determination using the Kjeldahl method, digestion with aqua regia (heavy metal digestion) and with perchloric acid/nitric acid (hydroxyproline digestion).
Optimum extraction at exceptionally low operating costs.
With two-stage preseparator for elimination and neutralisation.
Continuously adjustable suction capacity.
Can be combined with all C. Gerhardt digestion units and classic digestion equipment with exhaust manifolds.
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