生于八零年代 2013/07/08
[quote]原文由 [b]tang566(tang566)[/b] 发表: love418wh老师您好!我有以下问题想请教, 请问:镍释放液的制备中,需要用到充分溶解了空气水。 1.这个水是需要符合实验室用水几级? 2.怎么来制备充分溶解了空气的水,需要什么设备?[/quote] 1.三级水就可以了 2.向水中通入压缩的干燥空气半小时左右
damoguyan
第10楼2013/07/08
C.3 Determination of the nickel release test method
Non-coated articles and articles with nickel containing outer coatings that come into direct and prolonged
contact with the skin and all post assemblies which are inserted into pierced parts of the body shall be tested
according to this standard.
Articles with non-nickel containing surface coatings that come into direct and prolonged contact with the skin
shall be tested according to EN 12472, followed by this standard