Process for producing colored photographic prints

• Publisher: Elsevier Science
• Year: 1916
• Tongue: English
• Weight: 63 KB
• Volume: 181
• Category: Article
• ISSN: 0016-0032
• DOI: 10.1016/s0016-0032(16)90359-4

✦ Synopsis

anmlonium phosphate precipitate one is able to do away with the tedious operations incidental to the work with filter paper and to gain about a half-hour's time for each analysis.

4. The work with the pul t ) filter gives as accurate results for calcium and magnesium as the work with standard filter paper.

.5. By using for filtration pulp 23 instead of paper, one is able to econo,mize from 3oo to 46 7 per cent. of filter paper. WASHINGTON, D. C., December, I9I 5. u The pulp was obtained from S. & S. filters, No. 589 (see p. I5).