Note on the estimation of chromium in one bath chrome liquors by means of the colorimeter

✍ Scribed by Wood, J. T. ;Law, Douglas J.

• Publisher: Wiley (John Wiley & Sons)
• Year: 1910
• Weight: 262 KB
• Volume: 29
• Category: Article
• ISSN: 0368-4075
• DOI: 10.1002/jctb.5000290703

✦ Synopsis

__ n l i ~u t tho constnncy of tho tomprnliiro ; nnd had porliaps oxlmrimontod nioro ,oxtonsivcly with it than o w n . Air.

Onslow. Hr could kcop thc tcmi'urnturo in n smnll furWac0 within 2" or 3 O , a8 meneurcd by an iridium-platinum fyrometm, for n \vl1010 day, though tlic othcr gns in tho a h r a t o r y might h v o t o suffor.

Furnaccs could bo built u 1 with n littlo lircclny trnd firebricks in n fcw minutcs. Th, wet clny wns slinped round n h t t l c , n holo or two mndc at tho bottoni nil11 onc or two of. thcsc burncrs introduced. The clny burnt nnd glnzcd with n w r y oven sndncc, nnd did not crnck. Ho lint1 hnd imn in iiso for oight months, nnd i t wns still perfcotly Eountl ; i t ' w n s Ptnrteci fivo minutcs nftcr i L sns mor~ldod.

Those wcro vory grcnt ndsnnlngcs. Tho nir supply could 110 rcgulntcd very niccly. Aftcr stnrting. thc tcm~irrnturo rosc grnclunlly to thnt required in a fca minutcs ; nnd tho tnp ccrild thon IIC set nnd thc furnnco loft tho dny long n t 11 coustnnt tcmpornturo.

Tho CIIAIRDIAN remarked thnt liousclioltlcrs .niight bc