A System of Instruction in the Practical Use of the Blowpipe: Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic CombinationsAnonymous
Science
A System of Instruction in the Practical Use of the Blowpipe: Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations
Anonymous
Blowpipe
| Vanadic Acid | Vanadic Acid.
| Oxide of Chromium |
--+--------------------------------------+--------------------------------
Violet or Amethyst.
--+--------------------------------------+--------------------------------
| Oxide of Manganese | Oxide of Manganese.
| " " Didymium | " " Didymium.
--+--------------------------------------+--------------------------------
Blue.
--+--------------------------------------+--------------------------------
| Oxide of Cobalt | Oxide of Cobalt
| | Oxide of Copper, to
| | greenish-blue.
--+--------------------------------------+--------------------------------
Green.
--+--------------------------------------+--------------------------------
| Molybdic Acid, yellowish-green | Molybdic Acid, yellowish-green.
| Oxide of Copper | Oxide of Uranium,
| | yellowish-green.
| | Oxide of Chromium,
| | emerald-green.
--+--------------------------------------+--------------------------------
B. MICROCOSMIC SALT.
2. Reducing flame.
--+--------------------------------------+--------------------------------
Color of Bead.
--+-----------------------------------------------------------------------
| Substances which produce this color
+--------------------------------------+---------------------------------
| in the hot bead. | in the cold bead.
--+--------------------------------------+--------------------------------
Colorless
--+--------------------------------------+--------------------------------
| Silica (only slightly soluble) | Silica (only slightly soluble).
| Alumina | Alumina.
| Oxide of Tin | Oxide of Tin. _
| Baryta | Baryta \
| Strontia | Strontia \
| Lime | Lime |
| Magnesia | Magnesia |With an
| Glucina | Glucina }intermittent
| Yttria | Yttria |flame
| Zirconia | Zirconia |opaque-
| Thoria | Thoria only when |white.
| | saturated /
| Oxide of Lanthanum | Oxide of Lanthanum/
| " " Cerium | " " Cerium.
| " " Didymium | " " Didymium.
| " " Manganese | " " Manganese.
| Tantalic Acid _ | Tantalic Acid.
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