Potassium bromide (KBr) can affect humans in several ways.
Exposure to this compound can lead to symptoms such as central nervous system depression, skin eruptions, vomiting, irritability, ataxia (loss of muscle control), mental confusion, and coma.
It may also cause drowsiness, mania, hallucinations, and skin rashes.
These symptoms can occur when individuals are exposed to potassium bromide through ingestion, inhalation, or skin contact.
How Does Potassium Bromide Affect Humans? 5 Key Points to Know
1. Health Effects of Potassium Bromide
Potassium bromide can cause a range of health issues in humans.
These include central nervous system depression, skin eruptions, vomiting, irritability, ataxia, mental confusion, and coma.
Additional symptoms may include drowsiness, mania, hallucinations, and skin rashes.
2. Exposure Routes
Exposure to potassium bromide can occur through ingestion, inhalation, or skin contact.
Each route of exposure can lead to different symptoms and health effects.
3. Scientific Use in Infrared Spectroscopy
Potassium bromide is commonly used in scientific research to prepare samples for infrared spectroscopy.
In this process, a small amount of the powdered sample is mixed with potassium bromide powder in a ratio of 1 part sample to 100 parts KBr.
The mixture is then compressed into a solid pellet using a hydraulic press.
4. Sample Preparation Techniques
To prepare the sample and potassium bromide mixture, a small amount of KBr is transferred to a mortar.
Approximately 1 to 2 percent of the sample is then added, and the mixture is ground to a fine powder using a pestle.
For hard samples, the sample is added first, ground, and then KBr is added and ground again.
The ground sample mix is then transferred to a pellet-forming die and evenly spread.
The die is inserted into a hydraulic pellet press, and pressure is applied to compress the mixture into a solid pellet.
The pellet is then released from the die using the ejector.
5. Importance of Proper Concentration
It is important to note that the concentration of the sample in potassium bromide should be in the range of 0.2 to 1 percent.
Too high a concentration can lead to difficulties in obtaining clear pellets and noisy spectra.
Excessive grinding of potassium bromide is not required, as finely powdered KBr can absorb more humidity from the air and result in increased background interference.
It is recommended to work quickly and avoid adding too much sample, which can lead to over saturation.
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