| 摘要 |
The color-developing liquid is composed of 30-40 parts organic solvent, 0.2-0.5 parts fog stabilizer, 25-30 parts anhydrous potassium carbonate, 5-6 parts CD-3, 2-3 parts EDTA- chelating agent, 3-4 parts hydroxylamine sulfate, 1-2 parts anhydrous sodium sulfite, and 0.5-0.8 parts potassium bromide. The organic solvent used contains 16-19 parts benzylalcoho, 8-13 parts triethanolamine, and 6-8 parts diethylene glycol. The fog stabilizer used is a mixture of 6-nitrobenzimidazole nitrate and Blanko-Phor in the weight ratio of 0.01:1-0.1:1.
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