Dräger sampling tubes and systems - Dräger Safety - #49

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| 47

Dräger sampling tubes and systems - 20351 A

This is simple if the fumigants used are known. The range of Dräger-Tubes means that theappropriate tubes or Dräger-Chips can be used, according to the substance and measurement area. However, whenever the fumigant is not known, it is also not clear which Dräger-Tube should be used for the measurement. This question often arises in the field of container transport, where it can be triggered by a missing label of the fumigant used, or a complete lack of reference to fumigation.Fumigants are highly toxic and can be harmful to health in many other ways. For this reason, suitable measuring instruments should generally be used to check which fumigant has been used (if any) before opening a container. Do not forget to measure the oxygenconcentration. Gases used displace the air, including atmospheric oxygen, resulting in a perilous risk of suffocation due to lack of oxygen. This kind of lack of oxygen can be causedrelatively easily by leakages in individual packages in the container. Here is a short overview of regularly used substances, to give you an impression of howdangerous fumigants can be: -Carbon dioxide Colorless, odor-free, non-combustible gas. It is heavier than air, meaning it can displace atmospheric oxygen in poorly ventilated spaces and form CO
2 reservoirs: risk of suffocation. -Phosphine Colorless, odor-free gas, highly poisonous, highly flammable. -Methyl bromide Colorless gas, smells slightly of chloroform, poisonous, carcinogenic. -Sulfuryl fluoride Colorless, odor-free gas, virtually inert, heavier than air, poisonous, non-combustible. -Hydrocyanic acid Colorless liquid with typical smell of bitter almond, boiling point 26 °C, highly poisonous,highly explosive when mixed with air. -Ethylene oxide Colorless, sweet smelling gas, heavier than air, poisonous, carcinogenic, highly flammable. -Formaldehyde Colorless, pungent smelling gas, poisonous. -Ammonia Pungent smelling, colorless gas, corrodes and chokes, poisonous, forms explosive mixturewith air.

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