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Why is a sample of air passed through concentrated sulphuric acid?
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What is the concentration of concentrated sulphuric acid?
Sulfuric acid is used because it combines with water to produce electrolytes. Inside a car battery, these electrolytes cover the battery plates,and henceforth is utilized to power the engine turnover on startup.
A sample of air is passed through aqueous sodium hydroxide and then overheated copper Which gases are removed by this process?
Sodium hydroxide removes carbon dioxide As for copper, I am not that sure
Why do sample should be keep in dark place for 30minutes in determination of iodine value?
to avoid the light go through in the sample and keep the sample cool also.
How do you test for nickel in meteorites?
A quick test to determine what is in a sample of a meteorite (or anything else, for that matter) is to run that sample through a mass spectrometer. Mass spectrometry (MS) will tell you whether nickel is among the constituent elements in that sample you just put through the machine. Use the links below to learn more.
In analytical chemistry what is mean by blank?
A blank is a sample in which you will find none of the analyte you're looking for in your samples. For example, simple deionized water is often used as a blank when analyzing a group of samples that are concentrated in water.
Why add sulphuric acid in sulphated ash?
sample dicompose purpose........
What is the concentration of concentrated sulphuric acid?
Sulfuric acid is used because it combines with water to produce electrolytes. Inside a car battery, these electrolytes cover the battery plates,and henceforth is utilized to power the engine turnover on startup.
How do you obtain a concentrated sample of the ink to run a chromatogram?
Go to alaska
What is the principle of microscope?
There are two types of the electron microscope. First is called transmission electron microscope. It uses electrons passed through the sample to build a picture of the sample internal structure. Second type is scattered ("reflected" from the sample surface) electrons to build up a picture of the sample surface.
What is the unit of specific rotation?
Plane-polarized light is passed through a sample with a path length of 1 decimeter and a sample concentration of 1 gram per 1 millilitre.
What is the principle of electron microscope?
There are two types of the electron microscope. First is called transmission electron microscope. It uses electrons passed through the sample to build a picture of the sample internal structure. Second type is scattered ("reflected" from the sample surface) electrons to build up a picture of the sample surface.
How do you make a concentrated a solution from a dilute sample?
It has more volosity in the sir than what it's holding.
What is immunoturbidimetry?
Immunoturbidimetry measure the turbidity of a sample to determine the level of an analyte. Upon addition of the assay reagent, antibodies and antigen cluster to form an immune complex that precipitates, increasing the turbidity of the sample. When light is passed through the reaction solution, some light is scattered by the sample, some light is absorbed by the sample and the rest passes through the sample. Immunoturbidimetry measures the absorbance of the light by the sample The level of analyte is determined by comparison with a calibrator of known concentration. sreejoyee
What is best time of day for proper urine sample?
The best time of day for a proper urine sample is first thing in the morning. This is because the urine is more concentrated then.
A sample of air is passed through aqueous sodium hydroxide and then overheated copper Which gases are removed by this process?
Sodium hydroxide removes carbon dioxide As for copper, I am not that sure
What happens in a spectrophotometer?
Light is filtered to remove all but one specific wavelength, this wavelength is then passed through the sample. A sensor on the other side of the sample measures the intensity of the light that was not absorbed which is compared to the initial intensity of the light. This is an indirect approach to measuring the absorbance of the sample.
Can a lab read a diluted sample?
no i have personally done this every time i have taken a test and passed. but you can get in trouble for having a diluted sample.
