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935670

Sigma-Aldrich

Sodium phosphate tribasic

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≥99.9% trace metals basis

Synonyme(s) :

Sodium orthophosphate, Trisodium phosphate

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About This Item

Formule empirique (notation de Hill):
Na3PO4
Numéro CAS:
Poids moléculaire :
163.94
Numéro MDL:
Code UNSPSC :
12352302
Nomenclature NACRES :
NA.21

Niveau de qualité

Pureté

≥99.9% trace metals basis

Forme

(powder, crystals, or granules)

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Impuretés

≤1500 (trace metals analysis)

Couleur

white to off-white

Pf

1583 °C

Solubilité

water: slightly soluble

Densité

2.54 g/cm3

Autre catégorie plus écologique

Chaîne SMILES 

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

InChI

1S/3Na.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3

Description générale

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Application

Sodium phosphate tribasic is used to synthesis a reproducible Ag3PO4/TiO2 visible light photocatalyst to improve the photocatalytic activity and stability of Ag3PO4. It has also been employed as a mineralizer in the hydrothermal synthesis of uniform single-crystalline CeO2 nano-octahedrons and nanorods. It does not leave any impurities in the reaction system and makes it very easy to obtain and separate the octahedral and rod-like morphology.In addition, anodizing of Magnesium is studied in a solution containing sodium phosphate tribasic and KOH-aluminate to form anodic films of MgO and MgAl2O4 . Microarc oxidation coatings on magnesium alloy were created in sodium phosphate-KOH electrolytes with NaAlO2. The addition of NaAlO2 to the base electrolyte increased the amount of spinel MgAl2O4 in the oxide coating.

In general, sodium phosphate tribasic is used as:

  1. component in the preparation of solid crystals of calcium hydroxyapatite substituted by strontium
  2. block buffer to study segmental and subcellular distribution of CFTR in the kidney
  3. pH control agent, water hardness precipitation, laboratory reagent, phosphatizing reagent.

Pictogrammes

Exclamation mark

Mention d'avertissement

Warning

Mentions de danger

Classification des risques

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organes cibles

Respiratory system

Code de la classe de stockage

13 - Non Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

Anodizing of Pure Magnesium in KOH?Aluminate Solutions under Sparking
Khaselev O, et al.
Journal of the Electrochemical Society, 146, 1757-1757 (1999)
Synthesis and characterization of high efficiency and stable Ag3PO4/TiO2 visible light photocatalyst for the degradation of methylene blue and rhodamine B solutions
Yao W, et al.
Journal of Materials Chemistry, 22, 4050-4055 (2012)
Effects of NaAlO2 on structure and corrosion resistance of microarc oxidation coatings formed on AM60B magnesium alloy in phosphate-KOH electrolyte
Liang J, et al.
Surface and Coatings Technology, 199, 121-126 (2005)
Template-Free Hydrothermal Synthesis of CeO2Nano-octahedrons and Nanorods: Investigation of the Morphology Evolution
Lai Y, et al.
Crystal Growth & Design, 8, 1474?1477-1474?1477 (2008)

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