We use cookies to make our website more user-friendly and to continually improve it. Please agree to the use of cookies in order to proceed with using our websites. More information can be found in our data protection information and our cookie guidelines.

- Required
- Functional
- Personalization
- Required
  These cookies are essential for the operation of the site and enable, for example, security-relevant functions. In addition, we can also use this type of cookie to determine whether you want to remain logged in to your profile in order to make our services available to you more quickly when you visit our website again.
- Functional
  In order to further improve our offer and our website, we collect anonymized data for statistics and analysis. With the help of these cookies we can, for example, determine the number of visitors and the effect of certain pages on our website and optimize our content.
- Personalization
  We use these cookies to make it easier for you to use the site. For example, based on a previous (e.g. product search), you can conveniently access it when you visit our website again.

Attention: Your browser doesn't support javascript or you have deactivated Javascript in your browser. Please enable Javascript in your browser in order to be able to use all functions of this website.

Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

ISO 4280
Cryolite, natural and artificial, and aluminium fluoride for industrial use; Determination of sulphate content; Barium sulphate gravimetric method

Title (German)

Kryolith, natürlich oder künstlich, sowie Aluminiumfluorid für Industriezwecke; Bestimmung des Sulfatgehaltes; gravimetrische Bariumsulfatmethode

Responsible national committee

NA 062-02-81 AA - Testing of carbonaceous materials

Responsible international committee

ISO/TC 226 - Materials for the production of primary aluminium

Edition 1977-11

Original language English

Price from 46.00 €

Order from DIN Media

Table of contents

Contact

Dipl.-Ing.

Jan Henrik Krafft

Am DIN-Platz, Burggrafenstr. 6
10787 Berlin

Tel.: +49 30 2601-2937
Fax: +49 30 2601-42937

Send message to contact

Want to learn more?

Show

Preferred form of address

Male

Female

Neutral

First name*

Last name*

E-mail*

Phone no.

Subject

???din.label.contact.mailSubject???

Message*

Security code*

Here you can find our privacy policy

*Required field