production process of steroids

Steroids are commonly found in human body in the form of cholesterol, testesterone, oestrogen, progesterone and cortisterone. Cholesterol acts as precursor for other body steroids - which are hormones. Steroids are normally prepared by activated hydroxylation. Rh..

Steroids are commonly found in human body in the form of cholesterol, testesterone, oestrogen, progesterone and cortisterone. Cholesterol acts as precursor for other body steroids - which are hormones. Steroids are normally prepared by activated hydroxylation. Rhizopus..

The given organic compound is mixed with dry copper oxide (CuO) and heated in a hard glass tube. The products of the reaction are passed over (white) anhydrous copper sulphate and then bubbled through lime water. If copper sulphate turns blue due to the formation of CuSO 4 .5H 2 O (by wa..

. This is in the form of an alloy of iron called spiegeleisen. It contains carbon and manganese besides iron. The resulting product is manganese steel, which is removed by tilting the converter. Note: > Adding a little aluminium or silicon-iron alloy to molten steel helps in removing d..

In this process, powdered coal is mixed with heavy oil and heated with hydrogen under high pressure (200-250 atm) at about 748 K in presence of iron oxide as catalyst...

A part of ammonia produced from the fixation of nitrogen is used for the manufacture of nitric acid by Ostwald's process. ..

Contact Process - Sulphuric acid is prepared by contact process all over the world. Preparation of sulphuric acid by contact process is based upon the catalytic oxidation of SO 2 to SO 3 . There are five steps in the manufacture of sulphuric acid by the contact pr..

This process consists of the following steps: Magnesium ions present in the sea water are precipitated as magnesium hydroxide by the addition of slaked lime, Ca(OH) 2 to the sea water. The magnesium chloride is crystallized as MgCl 2 .6H 2 O Fused magnesium chloride for electro..

Introduction - When a chemical reaction gets started the reactants are present in the initial stage, but as the reaction proceeds, the concentration of the reactants decreases and that of products increases. Finally, a stage is reached when no further change in concentration of reactants ..

Ammonia is prepared commercially in vast quantities. The major method of production is the Haber process invented by Fritz Haber, in which nitrogen is combined directly with hydrogen at high temperatures and pressures in the presence of a catalys..