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Descirption:

MAGNESIUM OXIDE FOR ANALYSIS EMSURE

Description
Catalogue Number	105866
Synonyms	Magnesia usta

Physicochemical Information
Boiling point	3600 °C (1000 hPa)
Density	3.58 g/cm3 (25 °C)
Melting Point	2800 °C
pH value	10.3 (H?O, 20 °C) (larutan jenuh)
Bulk density	100 kg/m3
Solubility	(20 °C) praktis tidak larut

Safety Information according to GHS
Precautionary Statement(s)	P260: Jangan menghirup debu.
RTECS	OM3850000
Storage class	10 - 13 Cairan dan padatan lain
WGK	WGK 1 agak berbahaya untuk air
Disposal	14 Garam anorganik : Kategori I. Larutan netral dari garam-garam ini : Kategori D. Sebelum dimasukkan ke dalam kategori D, periksa pH dengan Indikator pH Universal (Item No. 109535).

Safety Information
S Phrase	S 22 Jangan menghirup debu.

Storage and Shipping Information
Storage	Suhu penyimpanan : tidak ada batasan.

Specifications
Specifications
Identity	passes test
Assay (complexometric)	≥ 97 %
Appearance of solution	passes test
Substances soluble in water	≤ 0.4 %
Substances insoluble in hydrochloric acid	≤ 0.02 %
Substances precipitated by ammonia	≤ 0.02 %
Carbonate (as CO?)	≤ 1.5 %
Chloride (Cl)	≤ 0.01 %
Nitrate (NO?)	≤ 0.005 %
Sulphate (SO?)	≤ 0.001 %
Sulfate and sulphite (as SO?)	≤ 0.02 %
Total nitrogen (N)	≤ 0.002 %
Heavy metals (as Pb)	≤ 0.003 %
As (Arsenic)	≤ 0.0001 %
Ca (Calcium)	≤ 0.05 %
Cu (Copper)	≤ 0.001 %
Fe (Iron)	≤ 0.005 %
K (Potassium)	≤ 0.005 %
Mn (Manganese)	≤ 0.0005 %
Na (Sodium)	≤ 0.25 %
Pb (Lead)	≤ 0.001 %
Zn (Zinc)	≤ 0.0005 %
Barium and Strontium (as Ba)	≤ 0.005 %
Loss on ignition (1000?°C)	≤ 2.0 %

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