<meter id="1fz3t"></meter><ol id="1fz3t"><listing id="1fz3t"></listing></ol>

            <mark id="1fz3t"><listing id="1fz3t"><b id="1fz3t"></b></listing></mark>

                   Piracetam(Naofukang)
                   Tazobactam
                   Tazobactam Intermediate
                   Ethyl formate
                   α-Pyrrolidone
                   Sodium Methoxide
                   Trimethyliodosilane
                   Hexamethyl disilylamine
                   Benzene, Toluene Xylene,
                   Solventene
                   Aniracetam
                   Dibenzoyl-L-tartaric acid monohydrate
                   
                   
                  Piracetam
                   
                  Quality standard  CP2005

                  Test Items

                  Specification index

                  Appearance  White or almost white crystalline powder, smellless and bitter taste
                  Melting Point  151-154°C
                  Structural Formula

                  Colour Reaction

                   Positive reaction

                  Comparative Spectrum

                   Retention time of the principal peak is identical with that of the comparative solution

                  Comparative spectrum

                   Infrared rays absorption spectrum is identical with comparative spectrum

                  Clarify of solution and colour

                   Be up to the standard

                  PH

                   5.0-7.0

                  Related substances

                   The area of total impurities' peak isn't more than the area of the comparative solution's principal peak

                  Loss on drying

                   ≤0.5%

                  Residue on ignition

                   ≤0.1%

                  Heavy Metals

                   ≤20ppm

                  Assay (HPLC)

                   98.0%-102.0%

                  Microbial Limit Tests

                  Conforms

                  Packing

                  25kgs or 20kgs/paper drum

                  Usage

                  Improve ideation and memory, used to cure memory and ideation regression caused by cerebral arteriosclerosis and cerebrovascular accidents

                  [ Back ]

                  HOME  |  ABOUT US  |  PRODUCTS  |  ORDER  |  CONTACT  |  CHINESE
                  Copyright(C)2007,Jiangxi Yuehua Pharmaceutical Co.,Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle
                  亚洲一区制服无码中文_床震奶头好大揉着好爽视频_午夜啪啪观看免费视频_十八禁视频网站免费观看