What is the preparation of the sample?

The preparation of the sample prepares the material for analysis with a device such as a chromatograph that can be used to determine the content of the compound. Unsproked samples usually cannot be inserted directly into scientific equipment because they contain impurities or are in a form that cannot easily interpret the device. They must be carefully processed and ready to prepare them for testing, in controlled conditions to reduce the chances of errors. There are a number of different techniques for use with different types of samples. They determine which sample preparation technique to use after assessing the nature of the material and deciding what kind of testing they want to use. The sample may need to be concentrated because the interest material is highly diluted or treated to remove contaminants that could disrupt the testing. The sample preparation may include filtering, dissolution, grinding and other sample conversion activities to format that will be readable in the device. This allows testing a small component of the original sample for its ZACHiding to be used in repeated or different tests. It is important to obtain a representative sample to avoid inaccurate results, so the sample should be carefully processed to extraction a good partial sample for analysis.

Working conditions must be carefully checked when preparing the sample. Anything to the sample must be known to avoid random contamination. For example, if chemicals need to be exposed to a chemical reaction, so it can be read in a scientific instrument, the technician must use the right reactive agent. All containers and equipment used should be clean and the bench environment is clearly mixing of containers and methods.

individual laboratories may have their own sample preparation protocol. The laboratory manual deals with available techniques and provides recommendations for the processing of specific interest materials. This documentation can increase consistencyIn testing and ensuring that no matter which technician performs, the sample will be processed in the same way. Laboratory customers may apply for documentation to make sure the tests are properly performed; For example, a laboratory that tests athletes to check doping should do so in a way that is in line with the recommendations of the government body to make its results valid.