Calcium Carbonate, High Purity Electronic Grade


Weight: 8 oz (228g)
Price:
Sale price€29,04

Description

Chemical Name: Calcium Carbonate
CAS Number: 471-34-1
EINECS Number: 207-439-9
Chemical Formula: CaCO3
Molecular Weight: 100.0892
Description: White fine crystalline odorless powder.

Specification:

Identification [CO32- ] & [Ca2+]:

Meet the requirements

Assay [CaCO3]:

99.5% min.

Insoluble substance in acid:

0.20% max.

Loss on drying:

1.0% max.

Fluoride:

0.005% max.

Magnesium and Alkali salts:

1.0% max.

Mercury [Hg]:

0.5ppm max.

Iron [Fe]:

0.1% max.

Sulfates:

0.25% max.

Chlorides:

0.02% max

Heavy metals:

20ppm max.

Arsenic [As2O3]:

3ppm max.

Lead [Pb]:

2ppm max.

Mercury [Hg]:

0.3ppm max.


 

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