Cas No 7440-10-0 Praseodymium Metal Lumps Formula Pr For Specialty Alloys

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Cas No 7440-10-0 Praseodymium Metal Lumps Formula Pr For Specialty Alloys

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Product Details:

Place of Origin:	Hunan China
Brand Name:	EASCHEM
Certification:	ISO
Model Number:	First Grade

Payment & Shipping Terms:

Minimum Order Quantity:	1KGs
Price:	Negotiable
Packaging Details:	1KGs Woven Plastic Bag, 50KGs one Pallet
Delivery Time:	7 to 15 Days
Payment Terms:	Western Union, T/T, L/C
Supply Ability:	5Tons/Month

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Detailed Product Description

Density:	6.71	Boiling Point:	3520 ºC(lit.)
EINECS:	231-120-3	Molecular Formula:	Pr
CAS Number:	7440-10-0	Melting Point:	931 ºC
High Light:	rare earth alloys , yttrium rare earth

Rare Earth 99 % Min Praseodymium Metal Lumps formula Pr Cas No 7440-10-0 for Specialty Alloys

Praseodymium is a metallic element, a rare earth metal.The element name comes from Greek, meaning "green".The crystal structure is a six - square cell.Praseodymium is stronger than lanthanum, cerium, neodymium and europium in the air, but it is exposed to a layer of fragile green oxide in the air, which must be preserved in mineral oil or sealed plastic.One of the USES of praseodymium is for oil catalytic cracking.The preparation of petroleum cracking catalysts in the form of the enriched material of praseodymium, which can improve the activity, selectivity and stability of the catalyst.

Product Name:Praseodymium Rod
CAS Number:7440-10-0
Synonyms:Praseodymium; Praseodymium; Praseodymium-141; Unii-nkn7eza750
Molecular Formula:Pr
Molecular Weight:140.9076
InChI:1/Pr
EINECS:231-120-3
Appearance:Yellowish Or Soft, Silvery Ductile Metal Chips
Density:6.71
Melting Point:931 ºC

Certificate Of Analysis

Spec	99.9%	99.5%	99%
CHEMICAL COMPOSITION
Pr/TREM (%Min.)	99.9	99.5	99
TREM (%Min.)	99	99	99
Rare Earth Impurities ( in TREM, %Max.)
La	0.005	0.01	0.1
Ce	0.005	0.03	0.3
Nd	0.005	0.03	0.2
Sm	0.001	0.005	0.03
Eu	0.001	0.005	0.03
Gd	0.001	0.005	0.03
Y	0.001	0.01	0.1
Non-Rare Earth Impurities ( %Max.)
Fe	0.1	0.2	0.25
Si	0.02	0.03	0.05
Ca	0.02	0.02	0.03
Al	0.03	0.03	0.03
Mg	0.02	0.05	0.15
Mo	0.03	0.03	0.03
O	0.03	0.05	0.05
C	0.03	0.05	0.05
Cl	0.02	0.03	0.05