18k gold plated are hypoallergenic; lead and cadmium free with nickel content less than 100 ppm is a big plus. (sarahbessey.com)
I'm a bit fussy about earrings with sensitive ears and so the fact that these 18k gold plated are hypoallergenic; lead and cadmium free with nickel content less than 100 ppm is a big plus. (sarahbessey.com)
«We have achieved this by significantly reducing the cobalt content per battery pack while increasing nickel content and still maintaining superior thermal stability.» (geckoresearch.com)