Strontium carbonate – SrCO3 – 1 kg

Strontium carbonate is a white, odorless, tasteless powder.
Being a carbonate, it is a weak base and therefore is reactive with acids.
It is otherwise stable and safe to work with. It is practically insoluble in water (1 part in 100,000).
It is soluble in dilute acids.

The most common use is with chlorine donors to create red flames and in pyrotechnic compositions.
Can be said that it is an inexpensive colorant in fireworks. Strontium and its salts emit a brilliant red color in flame.
Unlike other strontium salts, the carbonate salt is generally preferred because of its cost and the fact that it is NOT hygroscopic. Carbonates work as an acid reducer in chlorate compositions so it is also very helpful in pyrotechnics.

SPECIFICATION
SrCO3………. 98.0 % Min.
BaO………. 1.9 % Max.
CaO………. 0.17 % Max.
Na2O………. 0.03 % Max.
Fe2O3………. 0.006 % Max.
Total S as (SO3)………. 0.40 % Max
Insoluble in HCl………. 0.10 % Max.
Volatile substance………. 0.05 % Max.
Specific bulk density………. 0.50-0.70 kg/l
Bulk density tapped………. 0.90-1.30 kg/l
Sieve analysis:
Residue on > 45 microns 1.00 % Max.

Age limit or other limit: 18 years

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