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What does CHS stand for in forensics?
CHS in forensics stands for Continuous Handwriting Sample, which refers to a document containing a person's handwriting that is used for comparison and analysis in forensic investigations.
Why has he put the red blue and yellow paints next to the unkown paint chromatography?
The red, blue, and yellow paints are used as reference standard colors for comparison with the unknown paint sample after chromatography. By comparing the colors from the unknown sample to the standard colors, it helps in identifying the components present in the unknown sample based on their chromatographic separation pattern.
Grams of Cu in a 100 g sample of unknown?
your question is incomplete or incorrectly worded You want to know how much copper is in 100 grams of an unknown sample. The unknown could be made of anything, it may not even contain copper. You should include more information in your question
What is meant by a mixed melting-point determination?
"Mixed melting point determination" is a term used in chemistry. Organic substances have a fixed temperature at which they liquify. If a chemist wants to determine the nature of an unknown substance, he can determine it by these means. If the unknown substance does not melt at the usual temperature, it can be said to be impure. If the chemist has two unknown substances and wants to determine what they are, he may mix equal parts of each and start the liquification process. If the combination melts at the usual temperature, the chemist can say that both are the same. If the chemist wants to determine the nature of an unknown substance, he may mix a fixed amount of a known substance with a fixed amount of an unknown substance, it can be estimated, what the unknown substance is.
When iodine solution is mixed with an unknown sample of food the mixture turns black this indicates the present of?
starch in the food sample. Iodine solution reacts with starch to produce a dark blue or black color, indicating the presence of starch in the test sample.
How is Biotechnology Used in forensics?
from the sample we can know the DNA sequence,which is unique for that individual
What does CHS stand for in forensics?
CHS in forensics stands for Continuous Handwriting Sample, which refers to a document containing a person's handwriting that is used for comparison and analysis in forensic investigations.
What is a flame tested used for?
To identify an unknown sample by its emission spectrum
How would a contaminated unknown sample affect the accurate identification of the unknown?
A contaminated unknown sample could potentially introduce foreign material that may interfere with the identification process. This contamination could lead to misleading results or hinder the ability to correctly identify the unknown sample. It is important to ensure the sample is pure and free from contamination for accurate identification.
What is the components of unknown polysaccharide sample?
peptidoglycon chain
Why do you need to perform each of the tests on a known sample as well as on your unknown sample?
it is need so as a control.
Collect a sample of a Promissory Note and describe its features Also describe its usage and the involvement of the parties concerned?
sample of a Promissory Note and describe its features. Also describe its usage and the involvement of the parties concerned
Does a parameter describe a population or a sample?
A parameter describes a population. A statistic describes a sample.
What will be the result in the recrystallization of an impure unknown sample?
You will get an impure, unknown result because without knowing what's in there you don't have any idea what it's gonna do until it does it. Sorry for the bad answer but it's as good as I can give.
How can a forensics lab determine from antibody class alone whether a sample is blood plasma or another body secretion such as semen or tears?
oh easy ......................
What is the flame test used for?
To indentify an unknown sample by its emission light
when is flame test used?
to identify an unknown sample by its emission spectrum
