3- -!-fluor

Te2Fio, and oxide fluorides, e.g. TeFjOTeFs, are also formed during the fluor-ination of tellurium oxides, tellurium, organic derivatives Tellurium forms organic derivatives in the +2 and +4 slates. The +2 compounds are similar to divalent sulphur derivatives although less stable. Tellurium(IV) derivatives are comparatively unstable. 

Special reactions — — — Fluores- cein Iodoform (KI + NaClO) FeSO, + H.O, + NaOH violet — — — (a) Fluores- cein W Phthalein —... 

Solvay Fluor und Derivate, GmbH Haimover, Germany SFg, IF, perfluorinated hydrocarbons, CF p large... 

O. Ruff, I)ie Chemie des Fluors, Springer-Vedag, Berlin, 1920, p. 27. 

The Rectisol process is more readily appHcable for acid gas removal from synthesis gas made by partial oxidation of heavy feedstocks. The solvents used in Purisol, Fluor Solvent, and Selexol processes have low vapor pressures and hence solution losses are minimal. Absorption systems are generally corrosion-free. 

Liquid scintillation counting is by far the most common method of detection and quantitation of -emission (12). This technique involves the conversion of the emitted P-radiation into light by a solution of a mixture of fluorescent materials or fluors, called the Hquid scintillation cocktail. The sensitive detection of this light is affected by a pair of matched photomultiplier tubes (see Photodetectors) in the dark chamber. This signal is amplified, measured, and recorded by the Hquid scintillation counter. Efficiencies of detection are typically 25—60% for tritium >90% for and P and... 

Stratus Intelect Baxter Diagnostics 45-72 radial fluor ... 

Methods chemi = chemiluminescence color = colorimetry and fluor = fluorescence. Manual loading. 

Derivados del Fluor, S.A. (Onton), 39706 Castro Urdiales, Spain. 

Chalfin, Fluor Corp., Specifying Control Valves, ... 

Physical solvent type Fluor solvents (propylene carbonate example), Selexol Physical/chemical type Sulfinol Carbonate type Potassium carbonate Solution batch type Lo-Cat, Chemsweet Bed batch type Iron Sponge, Mol Sieve... 

DGA = Diglycol amine Jefferson Chemical Co., Fluor patented process (Econamine)... 

The Fluor solvent, propylene carbonate, is used primarily for removal of COi from high pressure gas... 

For rough sizing check of vapor/liquid separators and accumulators, see the Fluor method in Chapter 8, Separators/Accumulators—Vapor/Liquid calculation method. 

X = Abscissa of Smith-Dresser-Ohlswager correlation, or abscissa of Norton Generalized Pressure Drop Correlation, or Fluor vessel sizing separation factor or evaporator temperature, °F... 

Detection and result The chromatogram was dried in a stream of warm air for 15 min, cooled and immersed in the reagent solution for 2 s. It was then heated to 110 —120 °C for 10 —20 min, allowed to cool to room temperature and irmnersed for 2 s in liquid paraffin — n-hexane (1 + 6) to enhance and stabilize the fluores-... 

Diglycolamine Systems. The Fluor Econamine process uses digl> co lamine (DGA) to sweeten natural gas. The active DGA reagent is 2-(2-tunino-ethoxy) ethanol, w hich is a primary amine. The reactions of DG, with acid gases are the same as for MEA. Degradation products from reactions with COS and CS2 can be regenerated in a reclaimer. 

The types of equipment and the methods for designing the equipment are similar for both MEA and DEA systems. For other amine systems such as SNPA-DEA, Fluor Econamine (DGA), and Shell ADIP (DIPA) the licensee should be contacted for detailed design information. 

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