Stabilized aqueous diazo solutions

Details Stabilized aqueous diazo solutions Stabilized aqueous diazo solutions

1998-09-09

2000-06-27

Medley, Margaret

Fuel and related compositions

Liquid fuels

Organic nitrogen compound containing

44425, 44426, C10L 122

Patent

active

060802138

ABSTRACT:
A stabilized aqueous solution of a diazo compound has the formula: ##STR1## where X.sup.1 is selected from nitro and chloro, X.sup.2 is selected from nitro, chloro and hydrogen, and Y is an acid-derived anion. The solution has a pH of about 1.5 or below and a diazo concentration of about 2 wt % or less. The solution is useful as an extractant/developer for petroleum fuel markers.

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