Class   23	CHEMISTRY: PHYSICAL PROCESSES
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293R

PHYSICAL PROCESSES

294R

. (1 indent ) Sublimation

294S

.. (2 indent ) Sulfur

295R

. (1 indent ) Crystallization

296

.. (2 indent ) Selective

297

... (3 indent ) With extraction

298

... (3 indent ) From natural sources

299

.. (2 indent ) With extraction

300

.. (2 indent ) With added material

301

... (3 indent ) Seed

302R

.. (2 indent ) Alkali metal and ammonium compounds

303

... (3 indent ) Common salt

302A

... (3 indent ) Ammonium compounds

302T

... (3 indent ) Sodium compounds

304

.. (2 indent ) Alkaline earth metal and magnesium compounds

305R

.. (2 indent ) Heavy metal or aluminum compounds

305A

... (3 indent ) Aluminum compounds

305F

... (3 indent ) Iron compounds

305RE

... (3 indent ) Rare earth compounds

295G

.. (2 indent ) Gel

295S

.. (2 indent ) Solar

306

. (1 indent ) Concentration of liquids in liquids

307

.. (2 indent ) With direct heating

308R

. (1 indent ) Melting out

308S

.. (2 indent ) Sulfur

313R

. (1 indent ) Agglomerating

314

.. (2 indent ) Carbon

313AS

.. (2 indent ) Silicate

313FB

.. (2 indent ) Fluidized bed

313P

.. (2 indent ) Pan agglomeration

293S

. (1 indent ) Sulfur

293A

. (1 indent ) Flaking, spraying

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