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ANNEX – A LIST OF TEST FACILITIES A- …
www.bis.org.inpH 5.2,Sl No. vi) of Tab le 1 IS 3025 (P 11): 1983 i) Electrometric method r P T ii) Colorimetric Method pH m et r– wi h g las nd f nc ect ode (s atur ed ca lom ) .c 0 1