Using carubinose as standard, DNS as color developing reagent, the content of mannan in coconut shell was indirectly determined by spectrophotometry.
以D-甘露糖为标准，DNS作显色剂，用分光光度法间接测定椰子壳中甘露聚糖的含量。
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.
以d -甘露糖为标准，DNS作显色剂，用分光光度法间接测定脱脂咖啡渣中甘露聚糖的含量。
The identification of Radix scutellariae was silica gel G plate, n-butanol-glacial acetic acid-water(7:1:2) as the development reagent, chloride ferric(1%) as color developing reagent.
后者黄芩的鉴别：硅胶G薄层板，正丁醇-冰乙酸-水（7：1：2）为展开剂，1%三氯化铁乙醇溶液为显色剂；
The identification of Radix scutellariae was silica gel G plate, n-butanol-glacial acetic acid-water(7:1:2) as the development reagent, chloride ferric(1%) as color developing reagent.
后者黄芩的鉴别：硅胶G薄层板，正丁醇-冰乙酸-水（7：1：2）为展开剂，1%三氯化铁乙醇溶液为显色剂；
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