1. <span id="0pf5b"><sup id="0pf5b"></sup></span>
    2. <acronym id="0pf5b"><blockquote id="0pf5b"></blockquote></acronym>

      <track id="0pf5b"><i id="0pf5b"></i></track>
    3. <legend id="0pf5b"></legend>

        文章來源:未知 文章作者:enread 發布時間:2018-10-26 08:24 字體: [ ]  進入論壇
        A study published Tuesday (Oct. 16) in the journal Environmental Science and Technology found microplastics in more than 90% of the packaged food-grade salt -- also known as table salt -- for sale in stores.
        The team, from South Korea's Incheon National University and Greenpeace East Asia, sampled 39 brands of salt harvested in 21 countries and regions. Only three of the samples had no detectable1 microplastics.
        Microplastics are virtually everywhere. Sea salt and lake salt are made by evaporating water and harvesting the salt that remains2. Plastic waste flows from rivers into those bodies of water, so it's no surprise that the salt contains traces of it too. Scientists have been finding microplastics in salt for years, including in salt from countries and regions in Asia, Europe, and Africa.
        But the latest study goes a step further, finding that looking at where the salt was produced is a good indicator3 of how much plastic pollution is coming from that particular region.
        The 39 samples came from Australia, Belarus, Brazil, Bulgaria, Chinese mainland and Taiwan, Croatia, France, Germany, Hungary, India, Indonesia, Italy, Korea, Pakistan, Philippines, Senegal, Thailand, the UK, the US, and Vietnam.
        Of these, 28 were sea salts, nine were rock salts, and two were lake salts.
        Only three of the samples were microplastics-free: a refined sea salt from Taiwan, a refined rock salt from Chinese mainland, and an unrefined sea salt in France.


        1 detectable tuXzmd     
        • The noise is barely detectable by the human ear.人的耳朵幾乎是察覺不到這種噪音的。
        • The inflection point at this PH is barely detectable.在此PH值下,拐點不易發現。
        2 remains 1kMzTy     
        • He ate the remains of food hungrily.他狼吞虎咽地吃剩余的食物。
        • The remains of the meal were fed to the dog.殘羹剩飯喂狗了。
        3 indicator i8NxM     
        • Gold prices are often seen as an indicator of inflation.黃金價格常常被看作是通貨膨脹的指標。
        • His left-hand indicator is flashing.他左手邊的轉向燈正在閃亮。
        TAG標簽: water plastic salt