幸运彩

  • <tr id='YzqVo9'><strong id='YzqVo9'></strong><small id='YzqVo9'></small><button id='YzqVo9'></button><li id='YzqVo9'><noscript id='YzqVo9'><big id='YzqVo9'></big><dt id='YzqVo9'></dt></noscript></li></tr><ol id='YzqVo9'><option id='YzqVo9'><table id='YzqVo9'><blockquote id='YzqVo9'><tbody id='YzqVo9'></tbody></blockquote></table></option></ol><u id='YzqVo9'></u><kbd id='YzqVo9'><kbd id='YzqVo9'></kbd></kbd>

    <code id='YzqVo9'><strong id='YzqVo9'></strong></code>

    <fieldset id='YzqVo9'></fieldset>
          <span id='YzqVo9'></span>

              <ins id='YzqVo9'></ins>
              <acronym id='YzqVo9'><em id='YzqVo9'></em><td id='YzqVo9'><div id='YzqVo9'></div></td></acronym><address id='YzqVo9'><big id='YzqVo9'><big id='YzqVo9'></big><legend id='YzqVo9'></legend></big></address>

              <i id='YzqVo9'><div id='YzqVo9'><ins id='YzqVo9'></ins></div></i>
              <i id='YzqVo9'></i>
            1. <dl id='YzqVo9'></dl>
              1. <blockquote id='YzqVo9'><q id='YzqVo9'><noscript id='YzqVo9'></noscript><dt id='YzqVo9'></dt></q></blockquote><noframes id='YzqVo9'><i id='YzqVo9'></i>
                Products
                Product NameL-Leucine
                Name: L-Leucine
                Standard:  AJI92  USP24
                Properties: White crystal or crystalline powder, almost odorless, flavorless, sublimed at 150C, soluble in diluted acid or alkali solution, slightly soluble in alcohol.

                Items

                Index

                Specific rotatory power [] D20

                +14.9~16

                Clarity

                98%

                Ammonium salt [NH4]

                0.02%

                Chloride [CL]

                0.02%

                Sulfate [SO4]

                0.02%

                Iron salt [Fe]

                10PPM

                Heavy metal [Pb]

                10PPM

                Arsenic salt

                1PPM

                Other amino acid

                Chromatographically not detectable

                Residue on ignition

                0.10%

                Loss on drying

                0.20%

                Content

                98.5 - 100.5%

                Use: Widely used in pharmaceutical industry as main material for synthesizing polypeptide drugs. Also used as antioxidant in agricultural research or preparing insect feedstuffs etc..
                Address: C-1908, Power valley central time zone, No. 1898, Chaoyang north street, Baoding city, Hebei, 071051, P.R. China Tel: 0086-312-3321503/3321502/3321501Fax: 0086-312-3321505
                E-mail: ncbc@heinfo.net Postcode: 071051 ICP11016914-1