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   mylnitsa

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 LiveInternet.ru:
: 02.06.2011
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. 3. " 2 . vs "

, 18 2015 . 18:07 +

1) . Niccolum

 The International Agency for Research on Cancer (IARC) has determined that some nickel compounds are carcinogenic to humans and that metallic nickel may possibly be carcinogenic to humans. The EPA has determined that nickel refinery dust and nickel subsulfide are human carcinogens.

http://www.atsdr.cdc.gov/toxfaqs/tf.asp?id=244&tid=44

The general public may also be exposed through nickel-plated materials, such as coins, jewelry, and stainless steel cooking and eating utensils.

http://www.cancer.gov/about-cancer/causes-prevention/risk/substances/nickel

2) . Chromium

Chromium occurs in the environment primarily in two valence states, trivalent chromium (Cr III) and hexavalent chromium (Cr VI).  Exposure may occur from natural or industrial sources of chromium.  Chromium III is much less toxic than chromium (VI).  The respiratory tract is also the major target organ for chromium (III) toxicity, similar to chromium (VI). Chromium (III) is an essential element in humans.  The body can detoxify some amount of chromium (VI) to chromium (III).

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. 2.

, 15 2015 . 19:30 +

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1) There has been a lot of worry lately about whether it is safe to use stainless steel cookware because it contains both chromium and nickel. It is true that both of these substances are poisonous at high levels.

http://www.ewg.org/research/chromium6-in-tap-water/executive-summary

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, 13 2015 . 23:33 +

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