Description
Advantages of the gas oxamat:
- Heating with cartridge burner or large gas burner, no heavy vehicle batteries are needed
- top-mounted tab dispenser for 35 pieces of oxalic acid tabs
- temperature sensor in the evaporator bowl, as well as temperature display on the control panel
- completely closed system, since the device has not to be opened during the new assembly
- short treatment times, you can treat 20 colonies per hour
- with a gas cartridge of 227 grams, depending on the ambient temperature, about 40 treatments are possible, by using a large gas burner with 5 kg propane cylinder about 800 treatments are possible
- during winter treatments, the temperature rises by about 15 ° C due to internal additional heating surfaces, it gets up to 30 ° C under the hood and the bees loosen up from the winter cluster, thus the oxalic acid crystals get into the coat of all bees
- highest efficiency with optimum safety for the user
- finely evaporated oxalic acid is highly effective against the varroa mites, it only has to be brought to the hair coat of the bees with the appropriate device. The gas oxamat makes it excellently in a short time, completely without side effects and nearly completely independent of the outside temperature
Operating_instructions_Gas_heated_Oxamat_english
How to do it
The Oxamat is installed onto the transparent cover with two openings. The form of the cover divides the formed cavity into 2 parts.
Evaporation can be very well observed through the transparent cover by the beekeeper. Evaporation begins approx. 1 min after the start and oxalic acid steams circulate in the cycle through the honeycomb lanes. The heating switches off after approx. 4,5 min, while the exhaust is continued to run, until it is clamped.
After altogether 6 minutes no oxalic acid steams are not present anymore and the Oxamat could be applied to the next colony, thus 10 colonies can be treated per hour.
The evaporation time is stopped in such a way that the heating switches itself off automatically, after everything is evaporated.
Announced at the patent office
Hints to the oxalic acid
Oxalic acid, also clover acid mentioned, heard to the group of the dicarbonic acids. It forms color and odorless prism tables of crystals, in water and ethanol are well soluble.
With careful heating up on 100°C one maintains crystal water-free oxalic acid.
With to fast heating up oxalic acid disintegrates into oxygen, Carbon monoxide and water.
Apart from the technical quality with a content of 99,5% it indicates still another current high-quality type as a content of 99,8 %, which by small iron and sulfate content is characterised.
Oxalic acid is present in form of prismatic crystals. It is smell and colorless and it is very well water soluble.
Chemical formula: C2H2 O4 2H2O
Synonymously: Clover acid
CAS NR. 6153-56-6
EINECS NR. 2056343
Physicallychemical characteristics:
Mol.Weight 126.1 gmol.
Melting point 101.5 °C
Solubility in H2O/20°C 100 gl
Solubility in H2O/80°C 850 gl
Specification:
Content min. 99,8 %
Sulfate < 100ppm
Calcium < 1ppm
Iron < 2ppm
Lead < 1ppm
Sodium < 1ppm
Zinc < 1ppm
Silicon < 1ppm
Annealing loss with 80 °C < 100 ppm
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