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Dive into the research topics where Norbert Dr. Lönhoff is active.

Publication


Featured researches published by Norbert Dr. Lönhoff.


Archive | 1992

Process for the preparation of sodium dichromate

Rainer Weber; Bernd Rosenow; Hans-Dieter Block; Norbert Dr. Lönhoff


Archive | 1991

Process for the preparation of alkali metal dichromates and chromic acid by electrolysis

Helmut Klotz; Rainer Weber; Norbert Dr. Lönhoff; Hans-Dieter Block; Hans Dieter Pinter


Archive | 1991

Dimensionally stable anodes and their use in the preparation of alkali metal dichromates and chromic acid

Helmut Klotz; Rainer Weber; Norbert Dr. Lönhoff; Hans-Dieter Block


Archive | 1994

Method for manufacturing alkali chromates from chromium ore

Rainer Bellinghausen; Heinrich Helker; Paul Dipl Ing Strehlow; Hans-Heinrich Moretto; Bernhard Spreckelmeyer; Norbert Dr. Lönhoff; Michael Batz; Rainer Weber; Hans Rinkes; Hans-Dieter Block; Uwe Arndt


Archive | 1992

Process for the production of sodium dichromate

Norbert Dr. Lönhoff; Bernhard Spreckelmeyer; Hans-Dieter Block; Rainer Weber; Jost Halstenberg; Bernd Rosenow


Archive | 1990

PROCESS FOR THE PREPARATION OF CHROMIC ACID

Norbert Dr. Lönhoff; Ludwig Dr Schmidt; Hans-Dieter Block; Rainer Weber


Archive | 1990

Dimensionally stable anodes and their use in the production of alkalidichromates and chromic acid

Helmut Klotz; Rainer Weber; Norbert Dr. Lönhoff; Hans-Dieter Block


Archive | 1989

Process for the preparation of an electrolyte for obtaining alkali metal bichromates and chromic acid

Helmut Klotz; Rainer Weber; Hans-Dieter Block; Reinhold Klipper; Heiko Hoffmann; Norbert Dr. Lönhoff


Archive | 1989

Process for precipitation of chromium from tannery waste waters

Hans-Dieter Block; Bernd Dr. Makowka; Helga Rosentreter; Adam Dipl.-Ing. Wardas; Bernhard Dr. Wehling; Norbert Dr. Lönhoff


Archive | 1989

Processes for the preparation of alkali metal dichromates and chromic acid

Helmut Klotz; Hans Dieter Pinter; Rainer Weber; Hans-Dieter Block; Norbert Dr. Lönhoff

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