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Merck

04238

Hydroxyapatite

puriss., meets analytical specification of Ph. Eur., BP, FCC, E341, ≥90% (calculated on glowed substance)

Sinonimo/i:

Calcium phosphate hydroxide, Durapatite, Hydroxylapatite

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1 KG

61,96 €

61,96 €

Prezzo di listino72,90 €Risparmia il 15%

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Informazioni su questo articolo

Formula condensata:
3Ca3(PO4)2 · Ca(OH)2
Numero CAS:
Peso molecolare:
502.31
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
41116107
EC Number:
215-145-7
MDL number:

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Nome del prodotto

Hydroxyapatite, puriss., meets analytical specification of Ph. Eur., BP, FCC, E341, ≥90% (calculated on glowed substance)

InChI key

XYJRXVWERLGGKC-UHFFFAOYSA-D

InChI

1S/5Ca.3H3O4P.H2O/c;;;;;3*1-5(2,3)4;/h;;;;;3*(H3,1,2,3,4);1H2/q5*+2;;;;/p-10

SMILES string

[Ca++].[Ca++].[Ca++].[Ca++].O[Ca+].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O

grade

puriss.

assay

≥90% (calculated on glowed substance)

form

powder

quality

meets analytical specification of Ph. Eur., BP, FCC, E341

composition

Ca, 35-40%

impurities

residual solvents, complies
≤0.001% heavy metals (as Pb)
≤0.2% insoluble in HCl

loss

≤8% loss on ignition, 800 °C

anion traces

chloride (Cl-): ≤1500 mg/kg
fluoride (F-): ≤50 mg/kg
sulfate (SO42-): ≤5000 mg/kg

cation traces

As: ≤2 mg/kg
Cd: ≤1 mg/kg
Cu: ≤20 mg/kg
Fe: ≤400 mg/kg
Hg: ≤1 mg/kg
Pb: ≤2 mg/kg
Zn: ≤20 mg/kg

Quality Level

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Questo articolo
21223900203391947
Hydroxyapatite puriss., meets analytical specification of Ph. Eur., BP, FCC, E341, ≥90% (calculated on glowed substance)

Sigma-Aldrich

04238

Hydroxyapatite

Hydroxyapatite purum p.a., ≥90% (as Ca3(PO4)2, KT)

Sigma-Aldrich

21223

Hydroxyapatite

Hydroxyapatite powder, 10 μm

Sigma-Aldrich

900203

Hydroxyapatite

form

powder

form

powder

form

powder

form

solid

Quality Level

200

Quality Level

100

Quality Level

100

Quality Level

100

grade

puriss.

grade

purum p.a.

grade

-

grade

-

assay

≥90% (calculated on glowed substance)

assay

≥90% (as Ca3(PO4)2, KT)

assay

-

assay

-

quality

meets analytical specification of Ph. Eur., BP, FCC, E341

quality

-

quality

-

quality

-

composition

Ca, 35-40%

composition

-

composition

-

composition

-

Application


  • New Physico-Chemical Analysis of Magnesium-Doped Hydroxyapatite in Dextran Matrix Nanocomposites.: This research article focuses on the development and characterization of magnesium-doped hydroxyapatite within a dextran matrix, emphasizing its potential applications in biomedical and tissue engineering fields (Predoi et al., 2023).

Classe di stoccaggio

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


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Certificati d'analisi (COA)

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Mechanical properties of sintered hydroxyapatite for prosthetic applications.
Akao M ,et al.
J. Mater. Sci., 16(3), 809-812 (1981)
Chemical characterization of silicon-substituted hydroxyapatite
Gibson I, et al.
Journal of Biomedical Materials Research, 44(4), 422-428 (1999)
P Ducheyne et al.
Biomaterials, 7(2), 97-103 (1986-03-01)
Hydroxyapatite from two sources was electrophoretically deposited onto flat titanium plate material. Depending upon the deposition conditions various changes in the structure of the ceramic were identified. A well-adhering Ti-P compound was present at the interface. Hydroxyapatite oxygenated to various
Bjarke Viberg et al.
Acta orthopaedica, 84(3), 254-259 (2013-04-19)
Elderly patients with displaced femoral neck fractures are commonly treated with a hemiarthroplasty (HA), but little is known about the long-term failure of this treatment. We compared reoperation rates for patients aged at least 75 years with displaced femoral neck
Sophie E P New et al.
Circulation research, 113(1), 72-77 (2013-04-26)
We previously showed that early calcification of atherosclerotic plaques associates with macrophage accumulation. Chronic renal disease and mineral imbalance accelerate calcification and the subsequent release of matrix vesicles (MVs), precursors of microcalcification. We tested the hypothesis that macrophage-derived MVs contribute

Domande

1–2 di 2 domande  
  1. Are the hydroxyapatite (product no. 0438 Lot no 92170) synthesis or obtained from naturall sources?

    1 risposta
    1. This material is extracted from a non-biological, natural source.

      Utile?

  2. What is the particle size of this product?

    1 risposta
    1. The particle size for this product is not determined. However, other hydroxyapatite products may be of interest as the particle size is available:

      900203; Hydroxyapatite, powder, 10 μm, spec. surface area ≥80 m2/g
      https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/900203-BULKMKCT5305.pdf

      900204; Hydroxyapatite, powder, 5 μm, surface area ≥80 m2/g
      https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/900204-BULKMKCT6258.pdf

      Utile?

Recensioni

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