1，2，3------------------Washing gas cylinder3only----250MLWashing gas cylinders;

4，5-----------------------tubularelectricityFurnace, combustion tube, and combustion boat+Stainless steel push rod；

6，-------------------------Two way piston;

7，------------------------Absorption bottle----500MLwide口bottleEquipped with rubber plugs1；

8，------------------------Circular glass funnel;

9，------------------------burette----10MLWhite acid burette;

10，----------------------Three way piston;

11，13，14-----------Rubber tube;

12，---------------------glass tube----A glass tube as thick as a piston,15Three centimeters,10One centimeter per tube;

15，---------------------Bottom bottle for absorbing solution---2500MLrelease waterBottle, equipped with rubber stopper and glass tube respectively1；

16，17------------------Glass exhaust pipe（Or vacuum pump）And waste liquid discharge outlet------One vacuum pump and one three-way valve each；

18------------------------platinum-rhodium thermocouple---Paired on the stove

Additionally:Washing gas cylinderSecure fixed box; Storage box for placing bottom bottles;