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Photographers' Formulary Gelatin Hard, (250 Bloom) - 1 Lb.
Photographers' Formulary Gelatin Hard, (250 Bloom) - 1 Lb.
B&H # PHGHLB MFR # 10-0590 1LB
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- 1Description
Gelatin is used to hold silver halide crystals in an emulsion in virtually all photographic films and photographic papers. Despite some efforts, no suitable substitutes with the stability and low cost of gelatin have been found.
It is also used as a surface sizing it smoothes glossy printing papers or playing cards and maintains the wrinkles in crepe paper.
UPC: 675152590039
Table of Contents
- 1Description
| Synonyms | Glutin |
| Appearance | Colorless or light yellow, transparent, brittle, practically orderless sheets, flacks, or coarse powder. |
| Uses |
Preparation of emulsions Sizing paper Adhesives Light filters |
| Chemical Formula | Gelatin contains a large number of glycine (almost 1 in 3 residues, arranged every third residue), proline and 4-hydroxyproline residues. A typical structure is -Ala-Gly-Pro-Arg-Gly-Glu-4Hyp-Gly-Pro-. |
| Notes | Swells up and absorbs five to ten times its weight of cold water. |
| Packaging Info | |
|---|---|
| Package Weight | 1.16 lb |
| Box Dimensions (LxWxH) | 6.75 x 3.2 x 3.2" |
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