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Merck

22141

Sigma-Aldrich

Celite® 545 AW

filter aid, acid washed, treated with sodium carbonate, flux calcined

Synonym(e):

Diatomeenerde, fluxcalciniert

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About This Item

CAS-Nummer:
MDL-Nummer:
UNSPSC-Code:
11101527
PubChem Substanz-ID:
NACRES:
SB.54

Form

powder

Qualität

acid washed
flux calcined
treated with sodium carbonate

Zusammensetzung

Al2O3, 4.0%
CaO, 0.5%
Fe2O3, 1.3%
Na2O + K2O, 3.3%
SiO2, 89.5%

Verlust

~0.3% loss on ignition, 900 °C

Partikelgröße

≤113 μm (82% (acc. to Cilas))

pH-Wert

<7 (25 °C, 10% in aq. suspension)

SMILES String

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChIKey

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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Allgemeine Beschreibung

Diatomaceous earth is made up of natural amorphous silica formed from the fossilized skeletons of diatoms. It is extracted, crushed, dried and calcined with flux material. DE is widely used as filler in construction materials, paints and as an anti-caking agent for agricultural chemicals. It has high water and oil absorption ability.

Anwendung

Diatomaceous earth may be used as an adsorbent for column chromatography.

Vorsicht

Not Intended for cGMP Parenteral Pharmaceutical Manufacturing

Rechtliche Hinweise

Celite is a registered trademark of Imerys Minerals California, Inc.

Piktogramme

Health hazard

Signalwort

Danger

H-Sätze

Gefahreneinstufungen

STOT RE 1 Inhalation

Zielorgane

Lungs

Lagerklassenschlüssel

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable


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Caroline Schirpenbach et al.
Clinical chemistry, 52(9), 1749-1755 (2006-07-22)
Measurements of aldosterone have become more common since the recognition that primary aldosteronism is a more frequent cause of hypertension than previously believed. Our aim was to compare concentrations reported by 4 assays for samples obtained after saline infusion during
Production of structured triacylglycerols (STAG) rich in docosahexaenoic acid (DHA) in position 2 by acidolysis of tuna oil catalyzed by lipases.
Hita E, et al.
Process. Biochem., 42(3), 415-422 (2007)
Tobias Odenwald et al.
Journal of the American Society of Nephrology : JASN, 17(3), 655-662 (2006-01-20)
A previous study in subtotally nephrectomized (SNX) rats suggested beneficial effects of the calcimimetic R-568 beyond the control of mineral metabolism. This study analyzed potential blood pressure (BP)-lowering effects of R-568. Male Sprague-Dawley rats received two-stage subtotal nephrectomy or sham
H Checkoway et al.
British journal of industrial medicine, 50(7), 586-597 (1993-07-01)
A cohort mortality study was conducted among workers from two plants in the diatomaceous earth mining and processing industry in California. Diatomaceous earth consists of the skeletal remains of diatoms. Exposure to amorphous (non-crystalline) and crystalline silica in the form
Manipulating surface wettability and oil absorbency of diatomite depending on processing and ambient conditions.
Ozen I, et al.
Applied Surface Science, 332, 22-31 (2015)

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