This section specifies the test methods for the specific surface area and porosity of catalyst coating materials for exhaust purification of gasoline vehicles. This section is suitable for testing the specific surface area and porosity of gasoline vehicle exhaust purification catalyst coating materials.
XB/T 607-2003 history
2011XB/T 607-2011 Test method of coating materials of catalyst for petrol vehicle emission purification
2003XB/T 607-2003 The test method of the coating material of catalyst for petrol vehicle emission purification