2021 wholesale price Hafnium Oxide Hfo2 Cas 12055-23-1 - NIOBIUM(V) CHLORIDE 10026-12-7 – Starsky

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2021 wholesale price Hafnium Oxide Hfo2 Cas 12055-23-1 - NIOBIUM(V) CHLORIDE 10026-12-7 – Starsky Detail:

Description

Product Name: Tetrakis(triphenylphosphine)palladium

CAS: 14221-01-3

MF: C72H60P4Pd

MW: 1155.561844

EINECS: 238-086-9

Melting point: 103-107 °C

storage temp.: 2-8°C

form: Fine Powder or Platelets

color: Bright yellow to khaki

Water Solubility: insoluble

Specification

Product Name	Tetrakis(triphenylphosphine)palladium
CAS	14221-01-3
Apperance	Yellow Powder
Melting point	103-107 °C
Assay/Pd	≥9.2%
Purity	≥99%

Properties of precious metal catalysts

1.High activity

Precious metal catalysts consist of highly dispersed nano-scale precious metal particles on supports with high surface area such as carbon, silica, and alumina.

2. Selectivity

The nano scale metal particles easily adsorb hydrogen and oxygen in the atmosphere. The hydrogen or oxygen is very active due to its dissociative adsorption through d-electron of out of shell of precious metal atoms.

3.Stability

Precious metals are stable. They do not easily form oxides by oxidation. The oxides of precious metals are, on the other hand, relatively not stable. Precious metals do not easily dissolve in acid or alkaline solution. Because of high thermal stability, precious metal catalyst has been used as automotive exhaust gas purification catalysts.

Storage

Stored in a ventilated and dry warehouse.

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