Arsenic can be an impurity in phosphorous pentafluoride production processes.
potential genotoxicity of one impurity.
potential genotoxicity of one impurity.
In one embodiment, the majority carrier in the second semiconductor is electrons, and the second-impurity atoms lower the Fermi level of the second semiconductor which has the first-impurity atoms.
unknown impurity ≤ 1 % (individual unknown impurity ≤ 0,2 %
Surfactants in de-inking formulations for recycled fibres
The cellulose fibres may include up to 30 % recycled fibres.
The fibres may comprise carbon fibres; recycled carbon fibre has been found to be particularly useful.
Products made from recycled fibres or mixtures of recycled and virgin fibres shall fulfil requirements on hygiene as follows
use of certified fibres AND/OR use of recycled fibres (case-by-case
If the fibres are of recycled origin, the criteria set in this section do not apply.
CCM is made out of natural wood or recycled fibres.
The source of fibers may be pre and/or post consumer recycled fiberglass.
The BAT conclusions in this section apply to all integrated RCF mills and to RCF pulp mills.
– Differences between Virgin Fibers and Recycled Fibers
– Reduction or removal of recycled fibers in food packaging
Reduction or removal of recycled fibers in food packaging
– Differences between Virgin Fibers and Recycled Fibers
Products deriving from recycled textile fibres
The fibre raw material may be recycled or virgin fibre.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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