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Ref . BD019 Brass Lantern Tombstone Graveyard Decorations Material Copper Alloy

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Ref . BD019 Brass Lantern Tombstone Graveyard Decorations Material Copper Alloy

Ref . BD019 Brass Lantern Tombstone Graveyard Decorations Material Copper Alloy
Ref . BD019 Brass Lantern Tombstone Graveyard Decorations Material Copper Alloy Ref . BD019 Brass Lantern Tombstone Graveyard Decorations Material Copper Alloy

Large Image :  Ref . BD019 Brass Lantern Tombstone Graveyard Decorations Material Copper Alloy

Product Details:
Place of Origin: China
Brand Name: B&R
Certification: CCPIT
Model Number: BD019
Payment & Shipping Terms:
Minimum Order Quantity: 500 pcs
Price: US$16.78-17.18
Packaging Details: carton
Supply Ability: 500,000 pcs/month

Ref . BD019 Brass Lantern Tombstone Graveyard Decorations Material Copper Alloy

Description
Color: Bronze Material: Brass
Origin: China MOQ: 300-500pcs
Shape: Lantern Usage: Tombstone Cemetery And Other
Size: 12*12*23cm
High Light:

Casket Cross

,

Ornamental Coffins Screws

Main information:

Product name:Brass decoration (Lantern)

Model: BD019

Brand: B&R

Application: Decoration for Tombstone ,cemetery or others.

Origin: China

Manufacturer: Sumer International (Beijing) Trading Co.,Ltd

 

Product detail:

Size: 12*12*23cm,  glass size:6.5*13cm

Material: Brass (Copper alloy)

Color /finishing: Antique bronze

MOQ:500 pcs

Packing: Carton

 

Main feature:

 

Professionally engaged in funeral field over 10 years;

Customized products acceptable;

Good quality and competitive price;

 

 

More information:

 

Main isotopes of copper
Isotope Abundance Half-life Decay mode Product
63Cu 69.15% is stable with 34 neutrons
64Cu syn 12.70 h ε 64Ni
      β− 64Zn
65Cu 30.85% is stable with 36 neutrons
67Cu syn 61.83 h β 67Zn

 

Characteristics---Chemical

 

Copper does not react with water, but it does slowly react with atmospheric oxygen to form a layer of brown-black copper oxide which, unlike the rust that forms on iron in moist air, protects the underlying metal from further corrosion (passivation). A green layer of verdigris (copper carbonate) can often be seen on old copper structures, such as the roofing of many older buildings.and the Statue of Liberty.Copper tarnishes when exposed to some sulfur compounds, with which it reacts to form various copper sulfides.

 

Isotopes

Main article: Isotopes of copper

There are 29 isotopes of copper. 63Cu and 65Cu are stable, with 63Cu comprising approximately 69% of naturally occurring copper; both have a spin of  3⁄2.The other isotopes are radioactive, with the most stable being 67Cu with a half-life of 61.83 hours.Seven metastable isotopes have been characterized; 68mCu is the longest-lived with a half-life of 3.8 minutes. Isotopes with a mass number above 64 decay by β−, whereas those with a mass number below 64 decay by β+. 64Cu, which has a half-life of 12.7 hours, decays both ways.

 

62Cu and 64Cu have significant applications. 62Cu is used in 62Cu-PTSM as a radioactive tracer for positron emission tomography.

 

Occurrence

Copper is produced in massive stars and is present in the Earth's crust in a proportion of about 50 parts per million (ppm).It occurs as native copper, in the copper sulfides chalcopyrite and chalcocite, in the copper carbonates azurite and malachite, and in the copper(I) oxide mineral cuprite.The largest mass of elemental copper discovered weighed 420 tonnes and was found in 1857 on the Keweenaw Peninsula in Michigan, US.Native copper is a polycrystal, with the largest single crystal ever described measuring 4.4×3.2×3.2 cm.

 

 

More Picture:

 

 

Ref . BD019 Brass Lantern Tombstone Graveyard Decorations Material Copper Alloy 0

Brass decoration lantern

 

Ref . BD019 Brass Lantern Tombstone Graveyard Decorations Material Copper Alloy 1

Copper mine

Ref . BD019 Brass Lantern Tombstone Graveyard Decorations Material Copper Alloy 2

Copper mine

Contact Details
Sumer (Beijing) International Trading Co., Ltd.

Contact Person: Ms. Helen Ren

Tel: +86-13801202918

Fax: 86-10-67163945

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