Fill in the order form to get the price

Subject

Deadline

Timezone:

Title *

Task *

{"ops":[{"insert":"Identify the most appropriate class (based on purity) of chemical\/reagent that will be used in the following: \n1. Quantitative analysis of caffeine in soft drinks via chromatographic method. Caffeine will be used as a standard. What class of caffeine should be used for the analysis? Explain your\nanswer.\n\n2. The required mobile phase for the analysis caffeine in soft drinks in liquid chromatography are methanol and water. What class of methanol and water must be used? Explain your\nanswer.\n\n3. Ethanol is needed as solvent when preparing phenolphthalein color indicator in volumetric titrations. What class of ethanol best suits the intended purpose? Explain your answer.\n\n4. A purifying agent is required in sugar industry to clarify extracted cane juices. What class of purifying agent must be used? Explain your answer.\n\n5. One of the raw materials for the production of herbal medicine power is ethanol. What class of ethanol should be used for extraction? Explain your answer.\n"}]}

I need basic explanations

Special Requirements

Upload files (if required)

Drop files here to upload

Add files...

Account info

Already have an account?

Name *

E-mail *

Password *

The password must be at least 6 characters.

I agree with terms & conditions