Metals Archive

  • United States Patent 7,964,015 issued to David Creasey teaches a method for leaching gold that does not rely on cyanide. The cyanide free leaching solution is made up of water, […]

    Leaching gold without cyanide

    United States Patent 7,964,015 issued to David Creasey teaches a method for leaching gold that does not rely on cyanide. The cyanide free leaching solution is made up of water, […]

    Continue Reading...

  • The FDA has announced the discontinuation of use of an organic arsenic product, 4-Hydroxy-3-nitrobenzenearsonic acid (Roxarsone), sold by a Pfizer Inc. subsidiary as 3-Nitro┬«. The product is organic arsenic in […]

    Organic arsenic in your chicken?

    The FDA has announced the discontinuation of use of an organic arsenic product, 4-Hydroxy-3-nitrobenzenearsonic acid (Roxarsone), sold by a Pfizer Inc. subsidiary as 3-Nitro┬«. The product is organic arsenic in […]

    Continue Reading...

  • Lead paint has been in the news recently with news that the 10% of households in Canada have elevated levels of lead dust and that yet another imported toy has […]

    Lead paint protection heals itself

    Lead paint has been in the news recently with news that the 10% of households in Canada have elevated levels of lead dust and that yet another imported toy has […]

    Continue Reading...

  • Radiation from the Japanese nuclear accident comes from two main sources, radioactive iodine (iodine 131) and radioactive cesium (cesium 137). Radioactive iodine emits beta and gamma radiation. (see Journal of […]

    How to detect radioactive food

    Radiation from the Japanese nuclear accident comes from two main sources, radioactive iodine (iodine 131) and radioactive cesium (cesium 137). Radioactive iodine emits beta and gamma radiation. (see Journal of […]

    Continue Reading...

  • The Los Angeles Times is reporting that the The New Idria mine may be added to the list of the nation’s worst environmental cleanup sites which are referred to as […]

    EPA may add California mine to Superfund list

    The Los Angeles Times is reporting that the The New Idria mine may be added to the list of the nation’s worst environmental cleanup sites which are referred to as […]

    Continue Reading...