22153
硅藻土，助熔煅烧
filter aid, treated with sodium carbonate, flux calcined
别名:
Diatomaceous earth, flux-calcined
InChI
1S/O2Si/c1-3-2
SMILES string
O=[Si]=O
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
form
powder
quality
flux calcined, treated with sodium carbonate
composition
Al2O3, 1.1% , CaO, 6.54% , Fe2O3, 0.39% , Na2O + K2O, 1.28% , SiO2, 89.5%
loss
~0.2% loss on ignition, 900 °C
particle size
≤148.5 μm (56% (acc. to Cilas))
pH
>8.5 (25 °C, 10% in aq. suspension)
General description
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.
Application
Diatomaceous earth may be used as an adsorbent for column chromatography.
Legal Information
Celite is a registered trademark of Imerys Minerals California, Inc.
Disclaimer
不适用于 cGMP 注射剂生产
signalword
Danger
hcodes
Hazard Classifications
STOT RE 1 Inhalation
target_organs
Lungs
存储类别
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
G D Pegrum et al.
Journal of clinical pathology, 20(1), 65-69 (1967-01-01)
Methods of platelet adhesiveness to glass and celite have been developed. The technical merits of these methods have been compared with a method using adenosine diphosphate (ADP). The aspects of platelet stickiness measured by the various techniques may be somewhat
Enzymic interesterification of fats: factors influencing the choice of support for immobilized lipase.
Wisdom RA, et al.
Enzyme and Microbial Technology, 6(10), 443-446 (1984)
Induction of p53-independent growth inhibition in lung carcinoma cell A549 by gypenosides.
Journal of cellular and molecular medicine (2015).
Journal of cellular and molecular medicine (2015).
Liu JS, et al.
Journal of Cellular and Molecular Medicine, 19(7), 1697-1709 (2015)
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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