Analysis of hydrazine hydrate

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Analysis of hydrazine hydrate

Sir, what is the basic procedure to derivatized hydrazine hydrate with benzaldehyde. AS i derivatized it only with benzaldehyde I got two peaks and when I did the derivatization after addition of sodium borohydrate I got single peaks. That means the pH is very critical in this derivatization. I case of monomethyl Hydrazine and ethyl hydrazine the derivatization get very easy and no other peaks was found. What is the basic chemistry of these derivatization. I am also sending the derivatizatiion of hydrazine with benzaldehyde wthout including sodium borohydrate and one blan run of benzaldehyde without including hydrazine.
Best regards Praveen