Stabilized Romanowsky stain solution

Details Stabilized Romanowsky stain solution Stabilized Romanowsky stain solution

1980-10-14

1981-09-22

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Organic additive for dye composition, dye composition...

Nitrogen-containing, other than nitro or nitroso

8506, 8620, 8638, 8644, C09B 6700

Patent

active

042907691

ABSTRACT:
The present invention is a stabilized Romanowsky type stain solution. The stain solution which comprises azures, Methylene Blue and an eosin dye in methanol is stabilized by the addition thereto of an ammonium halide, a primary, secondary or tertiary alkylamine hydrohalide or a combination thereof.

REFERENCES:
J. W. Gilliland et al., Stain Technology, 1979, 54, (No. 3), pp. 141-150.
W. W. Dean et al., Stain Technology, 1977, 52, (No. 1), pp. 35-46.
E. Gurr et al., in "The Chemistry of Synthetic Dyes," vol. VII, (Venkataraman: Editor), Academic Press, 1974, p. 288.

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