The ever-increasing awareness in the chemicals industry of the importance of environmental issues has resulted in an overall steady increase in the use of sodium polytungstate over recent years. We are absolutely sure that sodium polytungstate will completely replace the highly toxic, carcinogenic, chlorinated brominate hydrocarbons in the field of sink/swim analysis in future.
Sodium polytungstate – also known as sodium metatungstate – belongs to the group of so-called "non-phase-in" substances, which means that was sodium polytungstate has already been registered under the requirements of the German Law on Chemical Substances and in accordance with the EC Directive 67/548/EC.
Sodium polytungstate has therefore been subjected to all the necessary statutory test procedures, a summary of the certificates for which is contained under the ELINGS No. 412-770-9.
Sodium polytungstate has automatically been allocated a registration number under the EU's REACH regulations and is therefore deemed to have satisfied the necessary registration requirements.
Sodium polytungstate has already been tested using all the currently available methods for toxicity and eco-toxicity. The present state of knowledge about the effects of sodium polytungstate on humans, animals and the environment is sufficiently high for us to be able exclude the possibility of any risks to health arising from the proper use of this new type of heavy liquid.
This extensive series of tests has also demonstrated that sodium polytungstate may be classified as being non-toxic, which means that the use of the use of aqueous sodium polytungstate solution is set to increase even further across the whole world.
Furthermore, we should like to point out that another important benefit of aqueous sodium polytungstate is the fact that it may be reused. We will collect free of charge and for reuse any used sodium polytungstate solutions which are no longer required by customers, even if they have been diluted or contaminated.
On the following pages we shall describe the most important properties of sodium polytungstate and its aqueous solutions. We should also like to draw your attention to some interesting publications which describe its possible uses.
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