Equipments
Auto partial collections implement BS-100A, steady
current pump DHL-A: Huxi Analysis Implements Co.,
Ltd., Shanghai; rotary evaporator: Japan Shimadzu
Corporation; digital display steady temperature water
bath HH-6: Yiheng Technique Co., Ltd., Shanghai; ultraviolet
radiation & visible light spectrophotometer UV-
2100: Unique (Shanghai) Implements Co., Ltd.