Direct acetylacetone colorimetric method was used.
选用乙酰丙酮比色法直接测定。
Color reaction with acetylacetone is used to determine the formaldehyde content in fabrics.
织物中甲醛的测定大多采用乙酰丙酮的显色反应。
Based on the application and study situation, problems of synthesis process of acetylacetone and its development were studied.
针对乙酰丙酮的应用前景和研究现状，研究了目前乙酰丙酮合成工艺中存在的问题和发展趋势。
Methods The content of formaldehyde in rongalite was determined by sulfurous acid, magenta and acetylacetone spectrophotometry respectively.
方法采用品红亚硫酸法和乙酰丙酮法测定吊白块中甲醛含量，并计算样品中吊白块的含量。
The article introduced a novel synthesis method of acetylacetone iron which was synthesized by acetylacetone and Fe 2o 3 in presence of catalyst.
介绍了用乙酰丙酮和三氧化二铁在催化剂的存在下合成乙酰丙酮铁的一种新方法。
A method, combined with spectrophotometry, for determining formaldehyde content of interior architectural coatings with acetylacetone as developer was proposed.
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 series of color test are carried out to determine the influence of developing result at different time after preparing the acetylacetone on formaldehyde content measuring.
文中对乙酰丙酮在配制后不同时间的应用作了一系列显色试验，以探讨试剂在不同时间显色结果对甲醛含量测试结果的定量影响。
The formaldehyde in fur was extracted by artificial perspiration solution and the formaldehyde content in the extracted liquor was determined by acetylacetone spectrophotometric method.
将毛皮中的甲醛用人造汗液萃取后，用乙酰丙酮分光光度法检测，可以定量检测分析毛皮中甲醛的含量。
The formaldehyde in fur was extracted by artificial perspiration solution and the formaldehyde content in the extracted liquor was determined by acetylacetone spectrophotometric method.
将毛皮中的甲醛用人造汗液萃取后，用乙酰丙酮分光光度法检测，可以定量检测分析毛皮中甲醛的含量。
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