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.
Uses of Nickel. 1  Nickel is used in many products some of you may use everyday including electric guitar strings, magnets and rechargeable batteries. 2  The magnetic properties of nickel actually make it very important for use in computer hard drives.
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.