419931
Terra de diatomáceas, fluxo calcinado
Celite® 545
Sinônimo(s):
Diatomaceous earth, flux-calcined
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About This Item
Número CAS:
Número MDL:
Código UNSPSC:
11101527
ID de substância PubChem:
NACRES:
SB.54
Produtos recomendados
Formulário
powder
Nível de qualidade
fabricante/nome comercial
Celite® 545
Parâmetros
4.0 (Permeability(Darcy))
cadeia de caracteres SMILES
O=[Si]=O
InChI
1S/O2Si/c1-3-2
chave InChI
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
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Descrição geral
Filter agent (diatomaceous earth) is made up of natural amorphous silica formed from the fossilized skeletons of diatoms. It is extracted, crushed, dried and calcined with or without flux material. DE is widely used as filler in construction materials, paints and as anti-caking agent for agricultural chemicals. It has high water and oil absorption ability. The potential toxicity of different samples of DE has been assessed.
Aplicação
Filter agent (diatomaceous earth) may be used in the following processes:
- As an adsorbent for column chromatography.
- Synthesis of chitosan modified diatomaceous earth for the abstraction of humic acid from raw water.
- Synthesis of porous silica ceramics.
Informações legais
Celite is a registered trademark of Imerys Minerals California, Inc.
Palavra indicadora
Danger
Frases de perigo
Declarações de precaução
Classificações de perigo
STOT RE 1 Inhalation
Órgãos-alvo
Lungs
Código de classe de armazenamento
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
Classe de risco de água (WGK)
WGK 1
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
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Porous ceramic monoliths based on diatomite.
Saponjic A, et al.
Ceramics International, 41(8) , 9745-9752 (2015)
Study on Adsorption Removal of Humic Acid in Water by Modified Clays.
Wang YH, et al.
Applied Mechanics and Materials, 707, 247-250 (2015)
The global variability of diatomaceous earth toxicity: a physicochemical and in vitro investigation.
Nattrass C, et al.
Journal of Occupational Medicine and Toxicology (London, England), 10(1), 25-25 (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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