HG/T 2261-2006
HG/T 2261-2005
Photographic chemicals sodium di-(2-ethyl-hexyl) succinate sulfonate
HG/T 2261-1991
UNE 34210:1981
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).
32015R0401