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。
Using carubinose as standard, DNS as color developing reagent, the content of mannan in coconut shell was indirectly determined by spectrophotometry.
提出了一种使用乙酰丙酮作显色剂、结合分光光度法检测内墙涂料中甲醛含量的方法。
A method, combined with spectrophotometry, for determining formaldehyde content of interior architectural coatings with acetylacetone as developer was proposed.
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。
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 -木糖为标准，DNS为显色剂，采用分光光度法间接测定椰壳中木聚糖的含量。
Using D-xylose as standard and DNS as color developing reagent, the content of xylose in coconut shell was indirectly determined by spectrophotometry.
以碱性品红-亚硫酸为显色剂，用分光光度法对双醛淀粉含量的测定条件、灵敏度、回收率进行研究。
The content of dialdehyde starch was determined by spectrophotometry with the color agent alkaline fuchsin - sulfurous acid.
优选出最佳显色反应条件，使分光光度法的测定结果更加精确。
The best color reaction conditions, which result in satisfactory spectrophotometric analysis have been optimized.
优选出最佳显色反应条件，使分光光度法的测定结果更加精确。
The best color reaction conditions, which result in satisfactory spectrophotometric analysis have been optimized.
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