2015DL/T 433-2015 Determination of chlorine content in phosphate ester fire-resistant fluids (Bomb method)
1992DL 433-1992 Test method of chlorinity in fire resistant oil (oxygen steel bomb method)
DL 433-1992 Test method of chlorinity in fire resistant oil (oxygen steel bomb method) was changed to DL/T 433-2015 Determination of chlorine content in phosphate ester fire-resistant fluids (Bomb method).