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Explain the rationale for using a reversed phase C18 column for the determination of caffeine?
Wiki User
∙ 12y ago
It is because the sample which is soft drinks and coffee is decaffeinated by extraction with a chlorinated solvent and the polarity of this material looks similar..
Wiki User
∙ 12y ago
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Suppose your sample contain a volatile impurity.would your determination of percent of water in hydrate be too high or low explain your answer?
high
Is the freezingbof mercury a reversible or irreversible physical change Explain your answer?
Freezing mercury is a physical change. It can be reversed by raising the temperature above the freezing point.
Which foam has the best overall properties Explain your answer?
Which foam has the best overall properties? Explain your answer.
Can you explain why the coin was seen when water was poured into the cup?
Can you explain why the coin was seen when water was poured into the cup?
Theory stating that the sun contains a small amount of platinum using what you know about spectroscopy explain how i might prove or disprove this theory?
We cannot tell you how to explain a theory with what we know. You must explain it with what you know.
How can you explain your determination?
you can explain your determination by explaining what you are good at
Define the rationale of the study?
study rationale explain the goal and design of the study
Can you make a recommendation to the psychologist and explain the rationale behind your choice?
Yes, you can. However, the psychologist may or may not accept your recommendation, and might question your rationale, so be prepared for that.
What is self determination and were the colonial territories granted the right of self determination at the end of ww1?
Explain the concept of slef-determination and critically examine its application to multi-ethenic societies.
Explain the rationale for selecting shareholders wealth maximizatio as the objective of the firm?
Explain the rationare for selecting shareholder wealth maximization as the objective of the firm.Include a consideration of profit maximization as an alternative goal
Identify and explain the rationale for developing different market segment in service industry?
gaandu maketing ki book khol aur khud dhund
How would one explain the coefficient of determination?
The coefficient of determination, is when someone tries to predict the outcome of the testing of a hypothesis, or their guess at to what will happen. It helps determine how well outcomes are determined beforehand.
Price and output determination under oligopoly?
Explain how price and output decision are taken under conditions of oligopoly.
Images observed under the light microscope are reversed and inverted Explain what this means?
right and left are switched, and top and bottom are switched.
Suppose your sample contain a volatile impurity.would your determination of percent of water in hydrate be too high or low explain your answer?
high
Explain Why physical changes can be reversed but chemical changes cannot?
Physical changes are generally easy to reverse because NO ENERGY is produced by the substance.A Chemical change cannot be reversed because ENERGY is produced by the substance forming a new substance.
Is caffeine considered a drug?
Absolutely. Caffeine is physically addictive; once you start using it, your body craves more, and it has less of an effect on you. Those people who "need" a cup of cofffee every day, or a soda? That is a mild form of caffeine abuse.
