Answer / addi.mohana rao

sir it is intermediate for the vitamin k. to follow the
limit test for cholrine and arsenic is the best methods

Answer / karunakarreddy

trimethylhydroqunone is intermediate for vitamine E
THE PURIFICATION IS DEPENDS ONTHE NATUREOF IMPURITY U HAVE
FIRST 1.U TEST THE SOLIBILTY OF THE COMPOUND,THEN ISOLATE
IT FROM THE SOLVENT IN WHICH IT DISSOVLES,
2.U TAKE 50g COMPOUNDAND 1.5 TO 2VOLUMES OF n-Hexane heat d
mix. to 40 DEGREES TO 45 AND MAINTAIN FOR 1HR COOL TO RT
COOL TO 10 TO 15 MAINTAIN FOR 1HR FILTER
SECOND TEST IS JUST GIVE WATER WASHINGS

Answer / ghjk

Wash it with soap or dettol

uv,ri,pda detactor principles ?

1 Answers   Aurobindo, Mankind, ZCL Chemicals,

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i am serching new job please help me

1 Answers   IPCA,

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What is deference between the working standard and reference standard?

1 Answers   Gland Chemicals, Meghmani Organics,

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for the decomposition of BR2 what soltution do you used

3 Answers   ChemBiotech,

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What are the least number of pi electrons possible in an aromatic compound.

3 Answers  

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As a chemist working with Actinium, what safety precautions and protocols would you follow due to its radioactive nature?

0 Answers  

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How to prepare hydroxy compounds from alkenes?

2 Answers   IIT,

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we shall use Dichloromethane in last stage of API.

0 Answers   Cipla,

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Why don't electrons repel each other during the formation of bond?????????

1 Answers  

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hplc assay limit 98.0 to 105 why

2 Answers   Aurobindo, Hetero,

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how to prepare esters to aldehydes?

7 Answers   Biocon,

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what is the experiment to find out the diffrence between energies of various conformal of cyclohexane?

1 Answers  

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