Content of the products were quantitatively determined by two-phase chemical titration using bromophenol blue as the indicator and dichloroethane as the phasesplitting agent.
以溴酚蓝为指示剂、二氯乙烷为分散相两相化学滴定法测定产物的含量。
2
This is an analysis and generalization on hanging type, wire, lead elevation, structure rise, arm stay, phasesplitting pattern, OCL post foundation of Qin-Shen Passenger Dedicated line OCL.