摘要
以工业射线胶片为主材，经过曝光和暗室处理等工艺，制备检定校准漫透射视觉密度计用的密度片标准物质。密度片的级数达到24级、光学密度值范围为0.03～5.00，密度片的量值、均匀性及光谱特性等参数均优于相关规程对标准密度片的规定参数，可广泛应用于漫透射视觉密度计的检定校准工作。
By using industrial radiographic films for basic material, the reference step tablet for diffuse transmission visual densitometer was developed after the process of exposure and darkroom processing technology. The step tablet had 24 levels and the range of optical density value was 0.03–5.00. The density value,uniformity and spectral characteristics of the reference step tablet were much better than the demand parameters of related rules, which could be widely used for verification and calibration of diffuse transmission visual densitometers.
出处
《化学分析计量》
CAS
2015年第2期10-12,共3页
Chemical Analysis And Meterage
关键词
密度片
标准物质
光谱特性
漫透射密度计
step tablet
reference material
spectral characteristic
diffuse transmission visual densitometer
