• D-甘露标准DNS作显分光光度法间接测定椰子甘露聚糖含量

    Using carubinose as standard, DNS as color developing reagent, the content of mannan in coconut shell was indirectly determined by spectrophotometry.

    youdao

  • 采用加入过量硝酸银溶液原子吸收分光光度法测量剩余离子间接测量氯含量

    By the addition of an excess of silver nitrate solution and the determination of surplus silver ions with AAS, the chlorine content is thus determined indirectly.

    youdao

  • d -甘露标准DNS作显,用分光光度法间接测定脱脂咖啡甘露聚糖含量

    By using mannose as the standard and DNS as colour developing reagent, the author indirectly determinated the content of mannan in defatted coffee grounds by spectrophotometry.

    youdao

  • d -木糖标准DNS为显采用分光光度法间接测定木聚糖含量

    Using D-xylose as standard and DNS as color developing reagent, the content of xylose in coconut shell was indirectly determined by spectrophotometry.

    youdao

  • d -木糖标准DNS为显采用分光光度法间接测定木聚糖含量

    Using D-xylose as standard and DNS as color developing reagent, the content of xylose in coconut shell was indirectly determined by spectrophotometry.

    youdao

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