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i <br />' S <br />j ANALYTICAL PROCEDURES <br />CYANIDE DETERMINATION BY PICRIC ACID <br />CYANIDE (PICRIC d CNwAu <br />CYANIDE IS REACTED WITH SUFFERED PICRIO ACiD <br />SOLUTION AND DETERMINED COLORIMETRICALLY. NO <br />DISTILLATION REQUIRED. <br />CNT = CNwno + CNFE <br />CNwAp ~ CNP <br />CNFE ~ 2.8 x FE <br />THEREFORE <br />CNT ~ CN, + 2.8 x FE <br />Vf.IOD]OW9Dfl <br />