𝔖 Bobbio Scriptorium
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Density control in the manufacture of rhodium filters

✍ Scribed by W. Zehden

Publisher
Elsevier Science
Year
1952
Tongue
English
Weight
105 KB
Volume
2
Category
Article
ISSN
0042-207X

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The manufacture of handmade filter paper
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✍ Green, J. Barcham πŸ“‚ Article πŸ“… 1921 πŸ› Wiley (John Wiley & Sons) βš– 275 KB

I3Ia;. 31. 1921. ndding osygeii (\vliicli does n o t comc into contnct with t h o c:itnlyst) (D.R.1'. 359,870 of 1911) or by c1cctric:il hentiiig (U.S.P. l,LWZ,9?5 of 1016). All iron cntcilyst wit11 :L proiiiotcr (possibly riiolybdeiiuni) is used (D.11.P. ?G5,295 of 1912; u.s.1'. 1,185,530 of 1910).