Preparation of Boric Acid
BACKGROUND Boric acid occurs naturally in volcanic jets of steam. The …
Inorganic Chemistry
Limit test for sulphate
BACKGROUND The reagent used in the limit test for sulphate …
Synthesis of 1,3-substituted pyrazole from diarylhydrazone and vicinal diol
1,3-substituted pyrazole is prepared by cyclization of diarylhydrazone and vicinal diol in presence of ferric chloride and tert-butylhydroperoxide(TBHP) which is also called regioselective synthesis of substituted pyrazole
Test for purity of water
World consists of 70% water which coincides with the body’s water content and the pollution of water causes major health problems. By performing the above tests, it can be concluded that the water has passed the purity test.
Swelling power of bentonite
Bentonite is a natural, colloidal, hydrated aluminium silicate that has been processed to remove grit and non-swelling components of the ore.
Limit test for iron
[ps2id id=’background’ target=”/] BACKGROUND In this limit test, the iron …
Limit test for lead
[ps2id id=’background’ target=”/] BACKGROUND The test as prescribed by B.P, …
Preparation of Potash Alum
[ps2id id=’background’ target=”/] BACKGROUND Potash alum is otherwise known as …
Preparation of Ferrous Sulphate
[ps2id id=’background’ target=”/] BACKGROUND Iron is a transitional element in …
Limit test for arsenic
The IP prescribes limit test for arsenic as an impurity test for various drugs. The presence of arsenic in drugs even in traces is not desirable as it is toxic.
