Items standards
Appearance homogeneous, dark blue to green liquid
Content of a.I. 20%
Water insolubles 0.3%
Ph 4.0~7.0
Free 4, 4'-bipyridyl 0.1%
Solution stability
(as 5% aqueous solution)
No color change
Sediment maxium: trace
Solid particles: pass throug 45m sieve.
Stability at 0¡æ the volume of solid and/or liquid which separates shall not be more than 0.3 ml.
25kg bag, 1 l bottle, 5 l bottle..…
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