AOAC Official Method 980.24 Sulfanilic Acid, Schaeffer’s Salt, 4,4'-(Diazoamino)-dibenzene-sulfonic Acid, and 6,6'-Oxybis(2-Naphthalene Sulfonic Acid) in FD&C Yel low No. 6 Liquid Chromatographic Method First Action 1980 Final Action 1981
AOAC Official Method 980.24 Sulfanilic Acid, Schaeffer’s Salt, 4,4'-(Diazoamino)-dibenzene-sulfo
nic Acid, and 6,6'-Oxybis(2-Naphthalene Sulfo
nic Acid) in FD&C Yel low No. 6 Liquid Chromatographic Method First Action 1980 Final Action 1981
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