GB2039529B
(en )
1983-07-27
Production of extreme purity aluminium
GR62726B
(en )
1979-05-28
Preparation process of pure aluminium by acid attack of aluminium minerals containing other elements
IL57287A
(en )
1982-07-30
Process for obtaining pure alumina by hydrochloric acid attack of aluminous ores
DE2960632D1
(en )
1981-11-12
Process for preparing diesters of malonic acid
DE3266416D1
(en )
1985-10-24
Process for preparing diesters of malonic acid
HUT44978A
(en )
1988-05-30
Continous process for production of aluminium oxid from bauxite containing monohydrate by means of bayer-process
GB2097903B
(en )
1983-03-23
Production of anhydrous alumina
IL54101A0
(en )
1978-04-30
Method of obtaining pure alumina by acid attack on aluminous minerals containing other elements
AU527832B2
(en )
1983-03-24
Process for obtaining pure alumina from an acidic liquor originating from the chlorosulphuric attack of an aluminous ore
JPS57155400A
(en )
1982-09-25
Removal of scale by electrolysis
DE3366299D1
(en )
1986-10-23
Process for preparation of high purity tellurium
JPS54146299A
(en )
1979-11-15
Method of separating deposited aluminum hydroxide from sodium aluminate solution
GB2029815B
(en )
1982-10-13
Process for the manufacture of high purity silicic acid
DE2963568D1
(en )
1982-10-14
Process for producing finely devided crystalline water insoluble sodium aluminium silicates
PL238405A1
(en )
1983-05-23
Process for preparing novel derivatives of 2-aminocarboxylic acid
DE2966848D1
(en )
1984-04-26
Method for the removal of impurities from sodium aluminate solution
ZA804108B
(en )
1981-09-30
Alumina production by nitric acid extraction of clay
YU41150B
(en )
1986-12-31
Process for producing aluminium methylphosphite
JPS55149109A
(en )
1980-11-20
Method of refining sulfuric acid containing boron
DE3279755D1
(en )
1989-07-13
Process for rapid conversion of fluoroanhydrite to gypsum
GB2028292B
(en )
1982-09-15
Process of preparing high purity cryolite from fluoride solution containing dissolved silica
DE3163621D1
(en )
1984-06-20
Process for the preparation of compounds of 2-aryloxy-2-halogen-propionic acid
YU109879A
(en )
1982-10-31
Process for preparing alpha-4(4-chlorobenzylamino-ethyl)--phenoxy-isobutyric acid
IL61510A
(en )
1983-12-30
Preparation of magnesium carbonate of high purity
JPS54157792A
(en )
1979-12-12
Method of manufacturing aluminum sulfate from aluminum sludge containing soluble silicic acid