No
signs of delamination/splitting along the
edges when examined through a lens, nor
of flaking of the surface
BS
680 Pt 2
Sulphuric
Acid Immersion Test
No
signs of delamination along the edges when
examined through a lens, nor of swelling
or softening or flaking of the surface and
no gaseous evolution during immersion
BS
680 Pt 2
Protocol
/ Technique Used
(1) IS : 1121-1974,
(2) IS : 1528-1980 guidelines, (3) IS :
4457 – 1982 guidelines, (4) Standard Methods
Of Chemical Analysis by N.H. Furman (guidelines),
(5) IS : 1527- 1972, guidelines, (6) AAS,
(7) IS : 1125 – 1974 guidelines, (8) IS
: 1126 – 1974, (9) IS : 5913 – 1989 guidelines,
(9) 1122 1974, (10) IS : 1124 – 1974
