Concept

Mineral acid

Related publications (39)

An Equational Theory for Transactions

Rachid Guerraoui, Martin Odersky, Vincent Cremet

Transactions are commonly described as being ACID: All-or-nothing, Consistent, Isolated and Durable. However, although these words convey a powerful intuition, the ACID properties have never been given a precise semantics in a way that disentangles each pr ...

2003

Characterization of an encapsulation device for the production of monodisperse alginate beads for cell immobilization

Urs von Stockar, Ian William Marison, David Serp

An encapsulation device, designed on the basis of the laminar jet break-up technique, is characterized for cell immobilization with different types of alginate. The principle of operation of the completely sterilizable encapsulator, together with technique ...

2000

Arsenic adsorption and oxidation at manganite surfaces. 1. Method for simultaneous of determination of adsorbed and dissolved arsenic species

Janet Gordon Hering

Arsenic occurs in the +III oxidation state as a metastable species in oxic waters. Under oxic conditions, As(III) is both more mobile in natural waters and less efficiently removed by water treatment processes than As(V). Other oxidants, however, can react ...

2000

Electrochemical generation of silver(II) at boron-doped diamond electrodes

Christos Comninellis, Pierre-Alain Michaud, Ilaria Duo, Marco Panizza

Synthetic boron-doped diamond (BDD) thin film electrodes were tested for the electrogeneration of silver(II). In nitric acid, the kinetics of the silver(I)/silver(II) couple were studied by cyclic voltammetry. The results demonstrate that silver(II) can be ...

2000

Post-irradiation resonance wavelength adjustment of long period grating based loss filters

René Salathé, Abdeljalil Sayah, Hans Georg Limberger

We present a simple technique to precisely and continuously adjust the resonance wavelengths of long-period cladding-mode-coupled gratings without strongly affecting the coupling strength. The main principle of this method is based on the strong dependence ...

IEE1997

Synthesis of some new biflavonoids. II. Synthesis of alpha ,alpha '-bichalcone

Qian Wang, Jieping Zhu, Yulin Li

Starting from phloroglucinol and resorcinol alpha ,alpha '-bichalcone I (R = H, MeO) was synthesized in three steps. The key step is the simultaneous condensation of one mole of 1,4-diketone II with two moles of anisaldehyde catalyzed with boric acid. [on ...

1989

Facile and selective metalation of 7-dehydrocholesterol (pro-vitamin D3)

Successive treatment of 7-dehydrocholesterol (I) with Me3SiCH2K in THF, dry ice, mineral acid, and diazomethane gives a regioisomerically pure, homoconjugated ester II as a diastereomeric mixt., the minor component of which is thermodynamically more stable ...

1984

The electrochemical hypochlorination of allyl chloride in dilute hydrochloric acid solution

Christos Comninellis

The electrochem. hypochlorination of allyl chloride [107-05-1] was studied. The reaction is best effected using 1-1.5N HCl as the electrolyte, introducing allyl chloride as an emulsion and working at low c.d. (

1982

Sulfur-free mineral acids

Albert Renken

SO2 is removed from mineral acids, e.g., HCl, in an exchange column consisting of an absorption section with 5-10 plates, a cooling section, and a stripping section with 10-15 plates at the bottom. The choice of stripping gas is detd. by the subsequent tre ...

(Hoechst A.-G., Fed. Rep. Ger.).1977

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