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Metals & Elements

Charcoal activated LR

RA006421 CAS 7440-44-0 LR

Identity

Product code
RA006421
CAS number
7440-44-0
Grade
LR
Molecular formula
C
Molecular weight
12.01

Classification

Technical Data

Properties

PropertyValueUnit
Physical state Reference value Solid (20 °C) —
Colour Reference value Black —
Odour Reference value Odorless —
Melting point Reference value 3550 °C °C
Auto-ignition temperature Reference value 450 °C °C
Vapour pressure Reference value < 0.01 hPa at 20 °C hPa
Vapour density Reference value 0.4 —
Density Reference value 1.8 - 2.1 g/cm3 g/cm3

Reference values are general physical properties of the substance taken from published data. They are not specifications of this product.

Specifications

ParameterSpecificationUnit
APPEARANCE Fine black powder, odourless, free from gritty matter. —
pH (5% aqueous suspension) 5.0 - 8.0 —
METHYLENE BLUE ADSORPTION (0.15% aqueous solution) Min 180 —
WATER SOLUBLE MATTER Max 1.0 % %
ALCOHOL SOLUBLE MATTER Max 1.0 % %
SUBSTANCE SOLUBLE IN HCI Max 2.0 % %
LOSS ON DRYING Max 10.0 % %
RESIDUE ON IGNITION Max 4.0 % %
CHLORIDE(Cl) Max 0.2 % %
HEAVY METALS (as Pb) Max 0.005 % %
IRON(Fe) Max 0.07 % %
SULPHATE(SO4) Max 0.2 % %

2 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.

Packaging

Pack size SKU
500 g RA006421-PK-500G
5 kg RA006421-PK-5KG