HIGH CONCENTRATION RATIO DEVELOPING SOLUTION FOR X-RAY FILM
In this invention, P-Q type recipe is used to prepare the developing solution. Phenidone and hydroquinone are used as major developer, and other additives are added, such as ethylene glycol as developer solvent, sodium and disodium sulphite as anti-xidants, mixed sodium-potassium salt as buffer, and...
Gespeichert in:
| Hauptverfasser: | , , , , |
|---|---|
| Format: | Patent |
| Sprache: | eng |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | In this invention, P-Q type recipe is used to prepare the developing solution. Phenidone and hydroquinone are used as major developer, and other additives are added, such as ethylene glycol as developer solvent, sodium and disodium sulphite as anti-xidants, mixed sodium-potassium salt as buffer, and KBr and benzeneazole as fogging-preventive agent. Such developing solution has the advantages of high concentrate ratio (1:4), stable pH, good buffer action and anti-oxidation ability, and low cost.It is satisfactory for developing X-ray films for medical purposes. |
|---|