<button id="eiezk"><video id="eiezk"></video></button>
      <fieldset id="eiezk"></fieldset>
      <acronym id="eiezk"><small id="eiezk"></small></acronym>
    1. <dl id="eiezk"><dfn id="eiezk"><meter id="eiezk"></meter></dfn></dl>
      <acronym id="eiezk"><address id="eiezk"></address></acronym>
        <source id="eiezk"><pre id="eiezk"></pre></source>

        產(chǎn)品名稱 Forensics of Soil and Mineral Analysis
        產(chǎn)品貨號(hào) IS9015-REFILL
        產(chǎn)品價(jià)格 現(xiàn)貨詢價(jià),電話:010-67529703
        產(chǎn)品規(guī)格
        產(chǎn)品品牌 vwr
        產(chǎn)品概述
        產(chǎn)品詳情
        A Crime Has Been Reported and It's Up to You to Help Prove Who Did It!

        • Forensic physical chemistry experiment
        • All chemicals required are included

        This kit has been designed to introduce students to the field of forensic soil analysis by providing them with a set of soil and glass samples that have been recovered from a crime scene to compare with a set of samples taken from various suspects. Students will compare samples based on physical observations using polarized, UV and standard light both under ambient conditions and after heating the samples. The properties of the samples will be tested by measuring particle size distribution, material acidity, particle density gradient and mineral composition. This kit contains 10 unique sets of materials that will accommodate up to 30 students when working in groups of 3.

        Ordering information: Includes Universal Indicator, Bromoform, Bromobenzene, Potassium Chromate Solution, Hydrochloric Acid Solution, Soil Sample A, Soil Sample B, Soil Sample C, Soil Sample D, Crime Scene Soil Sample, Glass Sample A, Glass Sample B, Crime Scene Glass Sample, Magnifying Glass, Forceps, Capped Test Tubes, Polarizing Filters, Drying Dishes, Sieve Screen; Small, Sieve Screen; Large, Glass Slides, Plastic Scoops, and Teacher's Guide and Student Copymaster.

        產(chǎn)品資料
        <button id="eiezk"><video id="eiezk"></video></button>
            <fieldset id="eiezk"></fieldset>
            <acronym id="eiezk"><small id="eiezk"></small></acronym>
          1. <dl id="eiezk"><dfn id="eiezk"><meter id="eiezk"></meter></dfn></dl>
            <acronym id="eiezk"><address id="eiezk"></address></acronym>
              <source id="eiezk"><pre id="eiezk"></pre></source>

              免费看AA片,国产区福利,日韩ww | 羽月希无码,我把老师日出水了,AAAAAA男女毛片免费 | 成一人一黄一片免费版,国产夫妻性爱视频,草人妻 | 无码熟妇人妻无码AV在线天堂,老师张开让我了一夜av,igao在线 | 国色天香综合网,性囗交视频,天天做天天摸天天爽欧美一区 | 波多野结衣小视频,拉开双腿花蒂颤抖湿润视频,男人天堂手机在线观看 | 操操操逼逼逼逼,好湿好紧太爽了h黄蓉,男女插入在线观看 | 久福利,欧美三级网站在线观看,美女肏逼 | 伊人网免费视频,人妖videosex高潮另类,久久久久久成人电影 | 黄页网站在线免费观看,一边吃奶一边做爰舒服,成人男女视频网站 |