彩票网官网

  • <tr id='8jMkic'><strong id='8jMkic'></strong><small id='8jMkic'></small><button id='8jMkic'></button><li id='8jMkic'><noscript id='8jMkic'><big id='8jMkic'></big><dt id='8jMkic'></dt></noscript></li></tr><ol id='8jMkic'><option id='8jMkic'><table id='8jMkic'><blockquote id='8jMkic'><tbody id='8jMkic'></tbody></blockquote></table></option></ol><u id='8jMkic'></u><kbd id='8jMkic'><kbd id='8jMkic'></kbd></kbd>

    <code id='8jMkic'><strong id='8jMkic'></strong></code>

    <fieldset id='8jMkic'></fieldset>
          <span id='8jMkic'></span>

              <ins id='8jMkic'></ins>
              <acronym id='8jMkic'><em id='8jMkic'></em><td id='8jMkic'><div id='8jMkic'></div></td></acronym><address id='8jMkic'><big id='8jMkic'><big id='8jMkic'></big><legend id='8jMkic'></legend></big></address>

              <i id='8jMkic'><div id='8jMkic'><ins id='8jMkic'></ins></div></i>
              <i id='8jMkic'></i>
            1. <dl id='8jMkic'></dl>
              1. <blockquote id='8jMkic'><q id='8jMkic'><noscript id='8jMkic'></noscript><dt id='8jMkic'></dt></q></blockquote><noframes id='8jMkic'><i id='8jMkic'></i>
                Products
                Product NameL-Cystine
                Name: L-Cystine
                Standard:  AJI92  USP24
                Properties: White crystal or crystalline powder, odorless, flavorless, almost insoluble in water or ethanol, soluble in diluted acid or basic hydroxide solutions.

                Items

                Index

                Specific rotatory power [] D20

                215~225

                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

                99 - 101.0%


                Use: Used in biochemical research, nutrient; cure congenital cystinuria 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