GB920356A - Improvements in or relating to method and apparatus for determining silver content - Google Patents
Improvements in or relating to method and apparatus for determining silver contentInfo
- Publication number
- GB920356A GB920356A GB23960A GB23960A GB920356A GB 920356 A GB920356 A GB 920356A GB 23960 A GB23960 A GB 23960A GB 23960 A GB23960 A GB 23960A GB 920356 A GB920356 A GB 920356A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rays
- layer
- scintillation counter
- energy
- silver content
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title abstract 3
- 239000004332 silver Substances 0.000 title abstract 3
- 229910052709 silver Inorganic materials 0.000 title abstract 3
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 229910052787 antimony Inorganic materials 0.000 abstract 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 239000000839 emulsion Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000005297 pyrex Substances 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 229920002545 silicone oil Polymers 0.000 abstract 1
- 235000009518 sodium iodide Nutrition 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/74—Applying photosensitive compositions to the base; Drying processes therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/07—Investigating materials by wave or particle radiation secondary emission
- G01N2223/076—X-ray fluorescence
Landscapes
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Abstract
920,356. X-ray determination of silver. ILFORD Ltd. Dec. 9, 1960 [Jan. 4, 1960], No. 239/60. Class 40 (3). [Also in Group XX] The silver content in a layer such as a photographic emulsion is determined by detecting the 0.56Š fluorescence radiation when the layer is subjected to 0.47Š X-rays. X-rays from an American 241 source, 13 are absorbed or converted to X-rays of 0.47Š wavelength according to whether they have more or less than 26 keV of energy by the antimony discs 12, 14. The 0.47Š X-rays are directed by an iron dish 11 on to the layer 18 which travels past on rollers 16. 0.56A X-rays produced by layer 18 are detected by a scintillation counter comprising an aluminium window 3 with a reflective coating on the inside, a sodium iodide crystal 1 a screen 2 of " Pyrex " (Registered Trade Mark) optically coupled to a photomultiplier 4 by silicone oil. The scintillation counter gives pulses with amplitude proportional to the energy of incident quanta, and an amplitude discriminator 9 selects those corresponding to 0.56Š X-rays to be counted by a ratemeter 10. The scintillation counter may be replaced by a proportional counter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB23960A GB920356A (en) | 1960-01-04 | 1960-01-04 | Improvements in or relating to method and apparatus for determining silver content |
| BE598814A BE598814A (en) | 1960-01-04 | 1961-01-04 | Method and apparatus for determining the silver content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB23960A GB920356A (en) | 1960-01-04 | 1960-01-04 | Improvements in or relating to method and apparatus for determining silver content |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB920356A true GB920356A (en) | 1963-03-06 |
Family
ID=9700870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB23960A Expired GB920356A (en) | 1960-01-04 | 1960-01-04 | Improvements in or relating to method and apparatus for determining silver content |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE598814A (en) |
| GB (1) | GB920356A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3579271A (en) * | 1968-03-18 | 1971-05-18 | Du Pont | Method of measuring coating weight by using strontium as a tracer |
| US3688110A (en) * | 1970-05-20 | 1972-08-29 | Du Pont | Photographic emulsion silver gage |
-
1960
- 1960-01-04 GB GB23960A patent/GB920356A/en not_active Expired
-
1961
- 1961-01-04 BE BE598814A patent/BE598814A/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3579271A (en) * | 1968-03-18 | 1971-05-18 | Du Pont | Method of measuring coating weight by using strontium as a tracer |
| US3688110A (en) * | 1970-05-20 | 1972-08-29 | Du Pont | Photographic emulsion silver gage |
Also Published As
| Publication number | Publication date |
|---|---|
| BE598814A (en) | 1961-05-02 |
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