Precautions for the use of trace moisture analyzer reagents

Quantitatively reacted with Karl Fischer reagents: metal hydroxides and oxides, carbonates and acid carbonates, chromic acid and dichromic acid, cobalt ammine complexes, ferric chloride, methylsilanol ( R3 SiOH), hydroxylamine, thiosulfate, tin dichloride.
Reaction with iodine in Karl Fischer reagent: boric acid and oxides, ascorbic acid, mercaptans, and the like.

Quantitatively reduced by HI: copper chloride and sulfate, hydrazine, diacyl peroxide and the like.

Incomplete reaction: lead acetate, basic ammonia, hydrogen sulfide and sodium sulfide, phosphomolybdic acid, zirconium dichloride, and the like.

Electrolytic poisoning: fatty amines, aromatic amines, heterocyclic compounds, amides, imines, and the like.

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