[ Problem Point ]
The ammonia gas was dangerous,so it couldn’t be heated safely and I was in trouble.
[ ⇒Kaizen Point ]
It was heated airtightly by a DGH series of the Air Blow Heater.
An experiment heated it safely,and became efficient.
Related page:
No.6 The comparison test by the medium of Partial sterilization 
No.11 Heating the upper part of the test tube 
No.21 Heating of test tubes 
No.22 Electron-microscope sample heating 
No.34 Partial heating of the culture medium 
No.35 Manufacturing of heating sterilization air 
No.44 Uniform heating of the medium 
No.87 Heating of endoscopy inspection gas