FERRI SULPHURETUM
\fˈɛɹi sˈʌlfjʊɹˌɛtəm], \fˈɛɹi sˈʌlfjʊɹˌɛtəm], \f_ˈɛ_ɹ_i s_ˈʌ_l_f_j_ʊ_ɹ_ˌɛ_t_ə_m]\
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May be made by heating one part of sublimed sulphur, over three parts of iron filings in a crucible until the mass begins to glow. It is employed as a ready means for obtaining hydrosulphuric acid gas by the addition of sulphuric or chlorohydric acid.
By Robley Dunglison
Word of the day
tinctura quininae ammoniata
- A preparation made by dissolving quinin sulphate in alcohol [Br. Ph.].