Process for the production of a diagnostic agent for the detecti

Details Process for the production of a diagnostic agent for the detecti Process for the production of a diagnostic agent for the detecti

1977-02-09

1978-06-27

Serwin, R.E.

Chemistry: physical processes

Physical processes

Crystallization

23230B, 252408, G01N 3316

Patent

active

040972402

ABSTRACT:
In the process for the production of a diagnostic agent for the detection of ketones, consisting of an absorbent carrier impregnated in a first stage with an aqueous solution of an amino acid and tetrasodium ethylenediamine tetraacetate as buffer, dried and impregnated in a second stage with a solution of sodium nitroferricyanide in a solvent mixture one component of which is methanol and dried again, the improvement which comprises using as the second component of the solvent mixture, instead of dimethyl formamide, which is considered detrimental to health, quite a number of other solvents.

REFERENCES:
patent: 2990253 (1961-06-01), Smeby
patent: 3212855 (1965-10-01), Mast et al.

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