Finoric LLC

Copper Oxide

Copper oxide or Cupric oxide and Cuprous oxide Supplier, Manufacturer's Representative, CAS Number 1317-38-0 for Copper (II) oxide or Cupric oxide and CAS Number 1317-39-1 for Copper (I) oxide or Cuprous oxide

CAS number : 1317-38-0, 1317-39-1
Chemical Formula: CuO

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DESCRIPTION

Specifications of Cupric Oxide or Copper (II)  Oxide:
Descriptions: A brown black colour free flowing powder.
Total Copper content as 'Cu': 77.0% minimum.
Cupric Oxide as 'CuO': 96.0% minimum.
Iron as 'Fe': 500 ppm maximum
Chloride as 'Cl': 500 ppm maximum
Carbonate as 'CO3': 3000 ppm maximum
Moisture: 0.2% maximum
Insoluble: 0.015% maximum.

Cupric Oxide, Powdered Analytical Reagent Grade:
Copper(II) Oxide
Formula: CuO
Weight: 79.55
CAS Number: 1317-38-0

REQUIREMENTS
Assay: 99.0% CuO

MAXIMUM ALLOWABLE
Insoluble in dilute hydrochloric acid: 0.02%
Carbon compounds (as C): 0.01%
Chloride (Cl): 0.005%
Nitrogen compounds (as N): 0.002%
Sulfate (SO4): 0.02%
Free alkali: Passes test
Calcium (Ca): 0.01%
Iron (Fe): 0.05%
Potassium (K): 0.02%
Sodium (Na): 0.05%

Cupric Oxide, Wire Analytical Reagent Grade:
Copper(II) Oxide, Wire
Formula: CuO
Weight: 79.55
CAS Number: 1317-38-0

MAXIMUM ALLOWABLE
Carbon compounds (as C): 0.002%
Nitrogen compounds (as N): 0.002%
Sulfate (SO4): 0.012%.

Specifications of Cuprous Oxide or Copper (I)  Oxide:
Cuprous oxide Cu2O: 97% minimum.
Appearance: Red Powder, Solid.
Total copper, calculated as Cu: 86% minimum.
Total reducing power as cuprous oxide: 97% minimum.
Cupric oxide, CuO: 1% minimum.
Metals other than copper: 0.5% maximum.
Combined chlorides, calculated as Cl, and sulfates, calculated as SO4: 0.5% maximum.
Acetone-soluble matter: 0.5% maximum.
Total nitric acid insoluble residue on a No. 200 (75 μm) sieve: 0.1% maximum.

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