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When you increase the flowrate of the carrier gas, the retention times decrease. Just like when you increase the temperature of the column. Both of these conditions are sometimes necessary for substances that would otherwise have very long retention times.
Wiki User
∙ 16y ago
Wiki User
∙ 13y agowhy HPLC dependent on flow rate & retention time
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Effect of height on volumetric flow rate?
fect of height on flowraet
What viscosity level was the fluid flow rate the highest?
The relationship between radius and fluid flow rate is inversely proportional. As radius goes down, fluid flow rate goes up. The highest fluid flow rate will be at the lowest radius.
How does heat affect lava flow?
Heat effects the flow rate of lava because the hotter the lava is, the less viscous it is which allows it to flow faster than if it had a slow flow rate. If it has a low temperature, then the flow rate will be much slower because it has a high viscosity.
When can you increase the flow rate of a fluid in your daily life?
The flow rate of a fliud or liquid could be increased (depending on the situation) by increasing the amount of the fluid, then channelising this fluid into a narrow channel.
What is the rate at which electrons do work?
Current. The flow of electrons is the flow of a moving charge. The rate of flow is current (the amount of charge that flows in a set time). The equation is: I = Qt Hope this helps.
What are the HPLC Calibration parameters and elaborate it?
1. Flow rate 2. Temp. of column 3. Detector function 4. Resolution
Effect of height on volumetric flow rate?
fect of height on flowraet
What is the effect of the temperature on the gas flow rate?
higher temperature equals more flow, which reduces mpg.
What does lake retention time refer to?
Lake retention time refers to measurements based on the volume of water in a lake and the average rate of outflow. It represents the amount of time it takes for a substance introduced into a lake to flow out of it again.
How do you calculate client retention rate?
What is your customer retention rate? Number of current customers __5086___. Total number of customers served in the past 12 months:__256___. Customer Retention Rate = #1 ÷ #2 = _____ (your percentage of retention). What is your goal for your customer retention rate this year? _____ *It is important to measure the change in this number with regularity. *When it is below 80%, then it is a serious area of concern.
How do you calculate employee retention rate?
retentiontime = volume of object/flow rate through objectso, in our example:retentiontime = 500 (gpm) / 2000 (gpm / hour flow rate) = 0.25 hours (which is 15 minutes).so a given sample of water will take 15 minutes to pass through the object
What effect do you think increasing the flow tube length will have on the fluid flow rate?
I have no opinion until I see the complete experimental set-up.
What is the effect of pump installation in series and parallel connection?
if you connect the pumps in series, it will add head at the same flow rate. Inversely, in parallel connection, double the flow rate at same head.
What is the effect of density on flow rate of liquid from a dropper?
Since increasing density increases the Renold's Number of a flowing fluid, it should increase flow.
How do you figure employee retention rate?
The retention rate is the percentage of employees who were employed at the beginning of a period, and who are still with the company at the end of the period. Take the difference between the two and divide that by the beginning number.
How is a body of water's rate of flow related to its rate of deposition?
As the rate of flow decreases, the rate of deposition increases
What effect does exercise have on the heart?
increases the heart rate
