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Merck

K7375

Sigma-Aldrich

Kaolin

Synonym(e):

Bolus

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500 G
CHF 74.20
1 KG
CHF 142.00
2.5 KG
CHF 225.00

CHF 74.20


Versandbereit am01. April 2025Details

Diese SKU ist auch in äquivalenter Qualität in unserer exklusiven Redi-Dri™-Produktlinie mit rieselfähigen Produkten erhältlich.

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500 G
CHF 74.20
1 KG
CHF 142.00
2.5 KG
CHF 225.00

About This Item

Lineare Formel:
~Al2Si2O5(OH)4
CAS-Nummer:
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
11111803
NACRES:
NA.21

CHF 74.20


Versandbereit am01. April 2025Details

Diese SKU ist auch in äquivalenter Qualität in unserer exklusiven Redi-Dri™-Produktlinie mit rieselfähigen Produkten erhältlich.

Bulk-Bestellung anfordern

Qualität

for analytical purposes

Qualitätsniveau

Form

powder

Verlust

≤2.0% loss on drying

pH-Bereich

3.5-5.0(20% in water)

pH-Wert

3.5-5.0 (20% in water)

SMILES String

[Si](=O)(O[Si](=O)O[Al]=O)O[Al]=O.O.O

InChI

1S/2Al.O5Si2.2H2O.2O/c;;1-6(2)5-7(3)4;;;;/h;;;2*1H2;;/q2*+1;-2;;;;

InChIKey

NLYAJNPCOHFWQQ-UHFFFAOYSA-N

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Allgemeine Beschreibung

Kaolin is hydrated aluminum silicate. Its water sorption isotherms, desorption isotherms, desorption enthalpy and entropy have been determined.[1] The impact of its addition to styrene-butadiene rubber composites has been investigated.[2] The thermal degradation of kaolin has been analyzed.[3]

Anwendung

Kaolin has been used:
  • For preparing synthetic turbid water that is employed to evaluate the biosorption capacity of Moringa oleifera leaves.
  • In combination with carrageenan to induce arthritic inflammation in a rat model for evaluating the activity of JAK3 (janus kinase 3) inhibitors.[4]
  • In a study to assess its utility for microparticle-enhanced cultivation (MPEC) of 2-phenylethanol and 6-pentyl-α-pyrone.[5]

Rechtliche Hinweise

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Lagerklassenschlüssel

11 - Combustible Solids

WGK

nwg

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)


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Analysenzertifikate (COA)

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Kunden haben sich ebenfalls angesehen

Thermodynamic and mechanical characterisation of kaolin clay.
Hammouda I and Mihoubi D.
Polish Journal of Chemical Technology, 16(1), 28-35 (2014)
Zandra Gerdes et al.
Scientific reports, 9(1), 10695-10695 (2019-07-25)
The occurrence of microplastic in the environment is of global concern. However, the microplastic hazard assessment is hampered by a lack of adequate ecotoxicological methods because of conceptual and practical problems with particle exposure. In the environment, suspended solids (e.g.
The influence of kaolin and calcined kaolin on SBR composite properties.
Ahmed NM and El-Sabbagh SH.
Polymer Composites, 35(3), 570-580 (2014)
Byung-Hak Kim et al.
British journal of pharmacology, 164(1), 106-118 (2011-03-26)
Many cytokines associated with autoimmune disorders and inflammation have been shown to activate the signalling kinase JAK3, implying that JAK3 plays key roles in the pathogenesis of these diseases. Therefore, investigating the alterations of JAK3 activity and the efficacy of
M M W Etschmann et al.
Yeast (Chichester, England), 32(1), 145-157 (2014-06-10)
Trichoderma atroviride IMI 206040 synthesizes the coconut lactone 6-pentyl-α-pyrone (6-PAP) de novo and Aspergillus niger DSM 821 produces the rose-like flavour compound 2-phenylethanol (2-PE) from the precursor l-phenylalanine. Here, microparticles of different chemical composition and nominal particle diameter in the

Questions

1–3 of 3 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  3. I need to know the particle size of this reagent. Thanks

    1 answer
    1. The particle size range is 0.1 - 4 microns.

      Helpful?

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