摘要
介绍了用简便比色法测定冷拔钢管磷化处理液中磷酸含量的操作过程。
Given in the paper is a description of the operational procedures to measure phosphotidic acid content in the solution for cold-drawn steel tube phosphotization treatment with colorimehy, a simple and easy methed.
出处
《钢管》
CAS
1993年第5期36-38,共3页
Steel Pipe
关键词
钢管
磷化处理
磷酸
测量
Cold-drawn stee tube Phosphotization treatment Phosphotization solution Phosphotidic acid Colorimetric measurement
