CĂRȚI ÎN ENGLEZĂ ÎN LEGĂTURĂ CU «SILICA GEL»
Descoperă întrebuințarea
silica gel în următoarea selecție bibliografică. Cărți în legătură cu
silica gel și extrase din aceasta pentru a furniza contextul de întrebuințare al acestuia în literatura Engleză.
1
Silica gel and bonded phases: their production, properties, ...
Provides the reader with a basic understanding of the physical and chemical properties of silica gel and bonded phases as well as how these properties impact on the quality of the separations that are achieved by them.
Raymond Peter William Scott, 1993
2
Practice of Thin Layer Chromatography
They offer two unique specially prepared forms of silica gel: Supelcosil 12D,
which uses silicon dioxide as a binder and contains 15% silver nitrate, and Aflasil
, which has calcium sulfate binder and is used for the separation of glycolipids
and ...
Joseph C. Touchstone, 1992
3
Analytical Chemistry of PCBs, Second Edition
Since the PCB congeners are all uniform in this respect, they may be expected to
elute uniformly from silica gel; this has been experimentally confirmed (Bernal et
al., 1992b). 2. Contaminants Contaminated silica gel can present blank ...
Mitchell D. Erickson, 1997
4
The Synthetic Organic Chemist's Companion
13.5 SPECIAL ABSORBENTS 13.5.1 Triethylamine-Treated Silica Gel
Compounds that are sensitive to the acidic character of conventional silica gel
can sometimes be separated if the silica gel has been pretreated with a
deactivating agent.
5
Adsorption on
Silica Surfaces
B. Silica Gel and Precipitated Silica Her [14] drew attention to the fact that there is
a close relation between formation of silica gel and of precipitate, and that factors
like concentration and presence or absence of a coagulant, e.g., Na ions, are ...
6
Oilfield Processing of Petroleum: Natural gas
Currently, silica gel and molecular sieves are about equally expensive while
aluminas cost approximately half as much. Desiccant Capacities vary drastically
with temperature and gas water content as is shown in Figure 9—4, 9-5, 9-6, 9-10
, ...
Francis S. Manning, Richard E. Thompson (Ph.D.), 1991
7
Thin Layer Chromatography: A Modern Practical Approach
For example at 50% relative humidity, the following values can be read from the
graph for silica gel with 40, 60 and 100 A ̊ pores; 27%, 13% and 8%,
respectively. As a general rule solutes migrate faster with silica gel 40 plates and
slower ...
Peter E. Wall, Royal Society of Chemistry (Great Britain), 2005
8
HPLC: A Practical Guide
6 Selectivity of Stationary Phase Materials Silica Gel-based Stationary Phase
Materials Separations can be performed on a single column by using different
eluents. Practical separations can also be achieved using column selection. In
over ...
9
Purification of Laboratory Chemicals
Powdered commercial silica gel can be purified by suspending and standing
overnight in concentrated hydrochloric acid (6 ml/g), decanting the supernatant
and repeating with fresh acid until the latter remains colourless. After filtering with
...
W.L.F. Armarego, Christina Chai, 2012
10
Liquid Column Chromatography: A Survey of Modern Techniques ...
In agreement with this, an increase in silica gel activity was observed on
activation by heating to about 200°C, while activation above this temperature led
to a decrease in adsorption of substances that can form hydrogen bonds. On
addition of ...
K. Macek, Z. Deyl, J. Janák, 2011
ȘTIRI NOI CARE INCLUD TERMENUL «SILICA GEL»
Află ce ziare naționale și internaționale au scris despre și cum este întrebuințat termenul
silica gel în contextul următoarelor știri.
Global Silica Gel Market to Grow at a CAGR Of 4.02 % to 2019 …
SAN FRANCISCO, CA, Jul 14, 2015 (Marketwired via COMTEX) -- Silica gel, one ... On the basis of application, the Global Silica Gel market can be segmented ... «MarketWatch, Iul 15»
12-plus ideas for those little silica gel packs (hint: trash should be …
Those tiny silica gel packs are used to control humidity and avoid spoiling a host of products, from leather goods to medicines to food — even though the silica ... «LancasterOnline, Iul 15»
Are silica gel freshness packets toxic?
They're made of silica, a nontoxic agent used in certain containers of medication, dietary supplements, and vitamins to absorb moisture and keep the pills dry. «ConsumerReports.org, Iun 15»
New Reports on Silica Gel Market With 2019 - 2020 Forecasts
Global Silica Gel Industry Report 2015 (with market forecasts to 2020), Global Silica Gel Market 2015-2019 and World Specialty Silicas to 2018 are market ... «PR Newswire, Mai 15»
Now silica gel in rice pack scare
This time, a consumer alleged a burst silica gel pack with its content found mixed with the rice was found inside a Beras Nasional rice pack on Tuesday. «Daily Express, Mai 15»
Grace: silica gel plant certification will cut customer audit burden
The facility in Worms, Germany produces silica gel for drug formulations. According to Excipact, an independent organisation that certifies manufacturers, ... «In-PharmaTechnologist.com, Mai 15»
Grace European Facility Receives GMP Excipient Certification for …
... FP brand of pharmaceutical grade excipient silica gels have now received GMP ... and standards used by our silica manufacturing facilities," said Adam Grose, ... «GlobeNewswire, Mai 15»
Global Silica Gel Market 2015-2019 with Clariant, Evonik Industries …
Silica gel, one of the specialty silica and a form of silicon dioxide, is prepared commercially by the acidification of sodium silicate. It is used in a variety of ... «PR Newswire, Apr 15»
The uses of silica gel packets
London - You thought those little packets of silica gel that come in purses, handbags and shoeboxes were pointless at best and annoying at worst. In fact, you ... «Independent Online, Apr 15»
Eschew Glue: Make Your Own Sticky Liquid Glass Instead [Video]
... video series, Popular Science columnist Chris Hackett mixes up a batch of water glass from carefully measured portions of water, lye, and silica gel (you know, ... «Popular Science, Mar 15»
