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2. Analytical results for the paper-chromatographic zone-strip technique.
3. The determination of iron, manganese, zinc and copper in plant material by paper chromatography and reflectance densitometry.
4. VI.―Contributions to our knowledge of the chemical action of sunlight upon sensitive photographic papers.
5. The acidity of paper.
6. XXVIII.―On a mode of measuring the relative sensitiveness of photographic papers.
7. Filter-papers as a source of error in ammonia determinations.
8. Radioactive tracer-paper chromatography techniques.
9. The paper chromatography of some purines, pyrimidines and imidazoles.
10. Separation and determination of acetic and lactic acids by paper partition chromatography and its application to silages.
11. Electrophoresis of serum and urine proteins on filter-paper strips and agar jelly with the bridge unit.
12. Arsenic in coated papers and boards.
13. The paper-chromatographic separation and determination of chlorinated insecticide residues.
14. A field method for the rapid determination of hydrogen cyanide in air.
15. Determination of serum-protein fractions by zone electrophoresis on paper and direct reflection photometry.
16. The identification and determination of the lower straight-chain fatty acids by paper partition chromatography.
17. Some applications of a modified technique in paper chromatography.
18. XXIV.―Toughened filter-papers.
19. Partition chromatography on paper with special reference to quantitative separations.
20. A bathocuproine reagent-paper for the rapid semi-quantitative determination of copper in the 1 to 70 p.p.m. range.
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