发明授权
US5420041A Method of acid value determination by infrared absorption 失效
通过红外吸收测定酸值的方法

Method of acid value determination by infrared absorption
摘要:
A method of determining acid value with high accuracy, using an infrared spectrometer is provided, in which the absorbance is determined attributable to carboxylic group based on an infrared absorption spectrum at wave numbers around 3300 cm.sup.-1.
公开/授权文献
信息查询
0/0