Manganese-based oxidation catalyst

Manganese-containing complex oxide, and process for preparing co

Manufacture of .gamma.-Fe.sub.2 O.sub.3

Manufacture of .gamma.-iron(III) oxide

Manufacture of a solution of nitrosylsulfuric acid in sulfuric a

Manufacture of acicular .gamma.-iron(III) oxide

Manufacture of acicular ferrimagnetic iron oxide

Manufacture of acicular ferrimagnetic iron oxide

Manufacture of acicular ferrimagnetic iron oxides

Manufacture of acicular, ferrimagnetic iron oxide

Manufacture of alkali metal amides

Manufacture of alumina particles

Manufacture of ammonium nitrate

Manufacture of AMS-18 crystalline borosilicate molecular sieve

Manufacture of anhydrous hydrogen chloride by combusting chlorin

Manufacture of arsenic acid

Manufacture of calcium hypochlorite

Manufacture of calcium nitrite solutions with low nitrate conten

Manufacture of carbon fibres

Manufacture of carbon fibres