food contact - food safety
many other metals and alloys en layers are used for surface
refinement in the range of the foodstuffs industry.
are not generally obligatory evaluation yardsticks for the use in the area of
application of the German food and consumer article right.
criterion for the permitted use of en layers are considered the
drinking and board water regulation, which in each case prescribe a border
concentration of 0,05 mg/l. EN layers can be recommended everywhere, where considering of the kind and concentration the food, which
temperature is not exceeded and the retention time of the food at the en surface this nickel quantity in the food.
solubility of the en layers is to be examined therefore for
each individual case considering the requirement parameters. A general food
safety will not be able to give it.
use of en layers within the range of the foodstuffs industry is
left to the duty to exercise diligence of that, which wants therefore to bring
relevant products professionally into traffic.
to the relatively high chemical stability of the en layers can
be used these however often in the range of the foodstuffs industry.
This statement (conditions: 01.02.1989) became of the working group "Electroless metal deposition" the German society for galvano and surface technique e.V. prepared.