Standard No.:	CB/T 4430.2-2019
English Name:	Methods for chemical analysis of casting aluminum beryllium cobalt bronzefor propeller - Part2: Determination of beryllium content chrome azurol s spectrophotometric method and gravimetric analysis method
Chinese Name:	船舶螺旋桨用铸造铝铍钴青铜化学分析方法 第2 部分：铍量的测定铬天青S 光度法和重量法
Professional Classification:	CB    Professional Standard - Watercraft
Issued by:	Ministry of Industry and Information Technology
Issued on:	2019-12-24
Implemented on:	2020-7-1
Status:	superseded
Superseded by:	CB 1160.1-1986
Superseded on:	1987-5-1
Superseding:	CB 1160.1-1986 CB 1160.3-1986 CB 1160.4-1986
Language:	English
File Format:	PDF
Word Count:	4500 words
Price(USD):	135.0
Delivery:	via email in 1~3 business day

本部分规定了船舶螺旋桨用铸造铝铍钴青铜中铍含量测定的铬天青S光度法、氧化铍重量法、允许差、质量保证和控制和试验报告等。
本部分适用于船舶螺旋桨用铸造铝铍钴青铜中铍含量的测定。测定范围（质量分数）：铬天青S光度法：0.200%～1.00%；重量法： 0.200%～1.50%。