Fēnxīhuàxué bāngzhù wǒmen quèdìng wùzhì de chéngfèn.
Analytical chemistry helps us determine the composition of substances.
Tips
usage
Use 分析化学 for the academic discipline. The branch concerned with industrial quality testing is often called 化学分析 (huàxué fēnxī, 'chemical analysis') — note the reversed order.
