铝和铝合金 钛含量的测定 铬变酸分光光度法

[中文适用范围]： 该方法适用于钛含量在 0.005 至 0.3 % (m/m) 之间的产品。 但该方法并不完全适用于硅含量高于1%（m/m）的合金（见附件）。 规定了方法的原理和程序、试剂、仪器、取样、结果的表达和试验报告。 [外文原描述]： The method is applicable to products having titanium contents between 0,005 and 0,3 % (m/m). However, the method is not applicable completely to alloys having silicon contents higher than 1 % (m/m) (see annex). Specifies principle and procedure of the method, reagents, apparatus, sampling, expression of results and test report.