IS 4122 : 1967 Method of test for surface softening of natural building stones by exposure to acidic atmospheres

1 Scope

1.1 This standard lays down the procedure for determining theextent of surface softening taking place in natural building stoneswhen exposed to acidic atmospheres.

2 References

IS 2 :1960 Rules for rounding off numerical values

IS 715 : 1966 Specification for coatedabrasives, glue bond

IS 1570 : 1961Schedules for wrought steels for general engineering purposes