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The interval between the beginning of liquefaction and complete liquefaction
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∙ 15y ago
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What are some possible explanations to why melting point of your isolated caffeine was lower than the literature value?
Melting points should always be reported as a range. Maybe during purification process was not perfect, and there were impurities in the caffeine that were affecting the melting point. The melting point is depressed due to impurities in the sample. The caffeine is usually not 100% pure, maybe improper isolation procedure and also the impurity is likely solvent.
Definition of melting method?
it is something that you melt
Define boiling point and melting point?
MELTING POINT:-The point at which solid starts melting and turn into liquid it iscalled MELTING POINT.BOILING POINT:-The point at which liquid molecules starts escaping fromthe surface and turn into gas is called BOILING POINT.
Definition of Data Range?
the difference of greatest data value minus least data value = data range
What is The definition of boundary?
the point where a system ends and surroundings begin
What is livermorium melting point?
It is predicted that the melting point of livermorium will be in the range 350-500 0C .
What will happen when you compare the freezing point and melting point of water?
By definition, they are the same!
Why will it still have a melting point range although a crystal may be pure?
because each compound has different isomers so that is why the melting point range is different.
What is the melting point of 316 stainless?
The melting point of 316 stainless steel is in the 1375-1400°C range.
Is an alloy of aluminum has a melting range instead of a melting point is the alloy a compound?
It is a compound. All pure elements have a certain exact melting point.
How can I get melting point by using Onset and Clear Points?
The range between onset and clear point is recorded and then the average of the two is the melting point, or, one can give the range, e.g. : 135-136℃.
What is the melting point of silica crucibile?
The melting point of silicon dioxide is in the range 1 600-1 725 0C.
What is the term of melting point range?
The crystalline solids have a sharp melting point say 87oC but most of the amorphous solids do not have a sharp melting point they have a range of melting say they started melting at 87oC and continue till 89oC.
Melting point of phenyl trityl ketone?
It has a melting range of 182 to 187 degrees Celsius.
What melting point does alluminum have?
Pure aluminum has a melting point of 660.32°C, but most aluminum alloys have a melting point in the range of 450ºC to 650ºC.
Why is it important to determine the melting range of the impure and recrystallized sample of vanillin?
The melting point is an indication of purity.
How does the melting point of the crude sample compare with that of the purified sample?
An impure sample will have a lower melting point, and will also have wider melting point range than that of a pure sample of the same substance. a sharp melting point range can also indicate a eutectic mixture
