Case story database

Search for Successfully Implemented Alternatives

You can use the free text search function to find information in the case story database. Most suitable are: substance name and other substance identifier (EC- and CAS-number). You can refine your search after first entry for sector-, function- and process-categories. The case studies are meant to serve as source of inspiration and ideas for substitution. The alternatives are constantly being developed further. We therefore recommend that you to check in each individual case whether an alternative is suitable for your applications and purposes. If you are aware of any other relevant information that is not mentioned in the current case story, please contact SUBSPORTplus.

In order to utilize information in the best way, please take note of the SUBSPORTplus methodology on case stories!

*For a more precise search, use quotation marks ("example").

search

Search for

Results 1 to 2 of a total of 2 for search term

Search results

Substitution von Flusssäure bei der Herstellung von Goldschmuck

Einer der größten Goldschmuck-Hersteller Dänemarks hat Flusssäure erfolgreich durch Schwefelsäure substituiert. Die Säurebehandlung ist notwendig, um die Abdruckmasse aus der Modellierform zu entfernen. Im Gegensatz zu Flusssäure ist Schwefelsäure nicht immer in der Lage, alle Gipsrückstände zu entfernen, so dass in manchen Fällen eine manuelle Behandlung erfolgen muss. Mit Flusssäure zu arbeiten ist höchst gefährlich im Vergleich zu Schwefelsäure.

read more

Substituting hydrofluoric acid in gold jewellery production.

One of Denmark’s largest manufactures of gold jewellery has successfully substituted hydrofluoric acid with sulphuric acid. The acid treatment is necessary for removing the plaster of the casting mould. Compared to hydrofluoric acid, sulphuric acid is not always capable of dissolving all plaster residues, so in some cases manual treatment has to be applied. Hydrofluoric acid is highly hazardous to work with compared to sulphuric acid.

read more

Also of interest

Evaluation, selection and criteria for creating the case stories

Do you have useful information on substitution, which is missing in our portal? Please contact us.