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Categories >> Sciences >> Chemistry >> Chemistry AllOther
 
 


 

 
 Organic Chemistry interview questions  Organic Chemistry Interview Questions (221)
 Inorganic Chemistry interview questions  Inorganic Chemistry Interview Questions (95)
 Analytical Chemistry interview questions  Analytical Chemistry Interview Questions (833)
 Physical Chemistry interview questions  Physical Chemistry Interview Questions (57)
 General Chemistry interview questions  General Chemistry Interview Questions (282)
 Chemistry AllOther interview questions  Chemistry AllOther Interview Questions (65)
Question
what is the difference between hot air oven and vacuum oven?
why you are using vacuum for some products
 Question Submitted By :: Malleshmalli888
I also faced this Question!!     Rank Answer Posted By  
 
  Re: what is the difference between hot air oven and vacuum oven? why you are using vacuum for some products
Answer
# 1
Vaccum oven(LOD) is used to measure the amount of water &
volatile matters present in the given sample.It requires
certain limited Temperature.Other wise the sample may be
degraded and it will become unable to detect the warer and
volatile impurities .(IN hot air oven the temperature
control is not maintained)Therefore we have to use Vaccum
oven .
 
Is This Answer Correct ?    13 Yes 9 No
R.siva Shankar Sharma
 
  Re: what is the difference between hot air oven and vacuum oven? why you are using vacuum for some products
Answer
# 2
Vaccum oven(LOD) is used to measure the amount of water &
volatile matters present in the given sample.It requires
certain limited Temperature.Other wise the sample may be
degraded and it will become unable to detect the warer and
volatile impurities .(IN hot air oven the temperature
control is not maintained)Therefore we have to use Vaccum
oven .because Vaccum oven is maintened at tem
 
Is This Answer Correct ?    8 Yes 3 No
Chandra Mouli Reddy
 
 
 
  Re: what is the difference between hot air oven and vacuum oven? why you are using vacuum for some products
Answer
# 3
oven(lod) is used for water content and remove to the
solvents and vaccum (lod)remove to volatile imp. at the
certain and specific temp.othervise sample are degreded.
 
Is This Answer Correct ?    0 Yes 1 No
Krishna Chandra
 
  Re: what is the difference between hot air oven and vacuum oven? why you are using vacuum for some products
Answer
# 4
In hot air oven, only heat is applied while in vacuum oven,both heat and vacuum are applied.Hot air oven is to dry or to determine loss on drying for solid or powder materials while vacuum oven is especially to check leakage of poly bottles. 
Is This Answer Correct ?    4 Yes 0 No
Huidrom Michael
 
  Re: what is the difference between hot air oven and vacuum oven? why you are using vacuum for some products
Answer
# 5
vacuum oven is used for sample melting point less than
solvent that time u r using normal oven sample is melted.
 
Is This Answer Correct ?    0 Yes 0 No
Murali Reddy
 
  Re: what is the difference between hot air oven and vacuum oven? why you are using vacuum for some products
Answer
# 6
vaccum oven(lod) is used for water content and remove to the
solvents and vaccum (lod)remove to volatile imp. at the
certain and specific temp.othervise sample are degreded.
answer by..
apparao (sr.manager,gvk bio nacharam)
 
Is This Answer Correct ?    2 Yes 0 No
Apparao
 

 
 
 
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