Comparison of ISO 14403:02 and ASTM D7511-09

[ad_1] ISO 14403:2002 ISO 14403:2002 is an International Standard that defines methods for the determination of total and free cyanide in water samples by continuous flow analysis. Colorimetric or amperometric techniques are both permissible under this standard. The colorimetry of the ISO standard uses isonicotinic acid in place of pyridine and is very sensitive. The […]