we used experimental animal data to derive a human acute reference dose of 1.33 g/ kg body weight, which corresponds to maximum concentration of TTX in shellï¬sh of 200 g/kg.
Where & Why Nickel is Used. Nickel-containing materials play a major role in our everyday lives â food preparation equipment, mobile phones, medical equipment, transport, buildings, power generation â the list is almost endless.
Sources of nickel exposure. Common items that may expose you to nickel include: Jewelry for body piercings. Other jewelry, including rings, bracelets, necklaces and jewelry clasps. Watchbands. Clothing fasteners, such as zippers, snaps and bra hooks. Belt buckles. Eyeglass frames. Coins.