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What funtional group will give a positive results with ninhydrin reagents?
Wiki User
∙ 10y ago
Amino acids with a free -NH2 group and proteins containing free amino acids
Wiki User
∙ 10y ago
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What color is positive test result for glucose?
the color of a positive test results is bright green
Why is it necessary to test for complete precipitation if a supernatant solution is going to be subsequently tested for ions?
The presence of unprecipitated ions in the supernatant may react with subsequent reagents added and obscure the results of tests.
If you mix water with urine what will be the results of a urine test?
positive
Distilled water does not contain any of the organic compounds. What might any positive results with distilled water indicated?
Distilled water is when it is just h2o, any positive results would man that it was not/is not distilled.
What type of bond results in positive and negative ions formed?
ionic bond
Why you will spray ninhydrin for analysis in chromatography?
Since amino acids are colourless compounds, ninhydrin is used for detecting them. To identify this, after development, the TLC plate is sprayed with ninhydrin reagent and dried in an oven, at 105°C for about 5 minutes. Ninhydrin reacts with α- amino acids that results in purple coloured spots [(due to the formation of the complex - Rheuman's purple).
What were the positive results from segregation?
There are no positive results from segregation. Segregation is a harmful practice that leads to discrimination, inequality, and division within society. It denies individuals their basic human rights and limits opportunities for personal and societal growth.
Is the word positive an adjective?
Yes, positive is an adjective. Example: positive results.
Why is it necessary to conduct all the test on absolutely pure compounds?
The impurites possibly contained in any test reagents will lead to impure test results.
When dividing a positive number by a negative number what is the results?
A negative number results when dividing a positive number by a negative number.
What were the positive and negative results of the Jacksonian democracy?
The positive results were the expansion to the west and the negative effects was the Indian removal act
What is the results of a positive number minus a negative number?
A positive number
What were the positive results of the Holocaust?
there were none
What are negative and positive results of imperialism?
.
What is positive about HIV?
Nothing but the test results…
How long does it take to get positive results back from the lab?
First of all, it depends on what is being tested. Secondly, positive results are just as likely as negative.
What is the rate of false positive for nicotine testing?
The rate of false positive results for nicotine has not been established but false results can occur for a variety of reasons. Diet, medications, environment, and errors in the lab can cause false positive results on nicotine blood tests.
