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          D-酒石酸 分析標準品,HPLC≥98%
          點擊次數:112 更新時間:2025-12-15

          D-酒石酸

          分析標準品,HPLC≥98%

          D-Tartaric acid

          CAS號:147-71-7

          分子式:C4H6O6

          分子量:150.09

          MDLMFCD00004238

          別名:右旋酒石酸;2,3-二羥基丁二酸;葡萄酸;二羥基琥珀酸;D-2,3-二羥基琥珀酸;D-2,3-二羥基丁二酸

          貨號

          規格/參數/品牌

          價格

          貨期

          YJ-B20639-20mg

          分析標準品,HPLC≥98%

          172.00

          現貨

          YJ-B20639-200mg

          分析標準品,HPLC≥98%

          650.00

          現貨

          YJ-B20639-1g

          分析標準品,HPLC≥98%

          2000.00

          現貨

          JS30454-100g

          AR99%

          130.00

          現貨

          JS30454-500g

          AR99%

          185.00

          現貨

          產品介紹

          有二個不對稱碳原子,有四種立體異構體,即:右旋型(D型, L型)、左旋型(L型,D型)、內消旋型、外消旋型。通常,外消旋型酒石酸又稱為葡萄酸。右旋型酒石酸以游離的或K鹽、Ca鹽、Mg鹽的形態廣泛分布于高等植物中,特別是多存在于果實和葉中。等量右旋體和左旋體的混合物的旋光性相互抵消,稱為外消旋酒石酸。內消旋體不存在于自然界中,可由化學合成。各種酒石酸都是易溶于水的無色結晶。

          熔點:172-174 ℃

          沸點:191.59℃ (rough estimate)

          比旋光度:-12.1 o (C=20, H2O)

          外觀:白色粉末或結晶

          溶解性:可溶于水

          敏感性:對光敏感

          儲存條件:2-8℃

          注意:部分產品我司僅能提供部分信息,我司不保證所提供信息的權威性,僅供客戶參考交流研究之用。

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          1.  李寧寧, 張波, 牛見明,. 基于CIELab參數的葡萄酒基本花色苷與原兒茶酸的輔色評估[J]. 食品與發酵工業, 2019, 45(15).



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