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Merck 104928 Potassium Carbonate for analysis EMSURE® ACS, ISO, Reag. Ph Eur 500 gr

Merck 104928 Potassium Carbonate for analysis EMSURE® ACS, ISO, Reag. Ph Eur 500 gr

Kategori

Kurutma Aracıları

Marka

MERCK

Stok Kodu

LB.M.104928.0500

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Ön Siparişli Ürün

Merck 104928 Potassium Carbonate for analysis EMSURE® ACS, ISO, Reag. Ph Eur 500 gr
Catalogue Number	104928
Replaces	PX1390; PX1390-1; PX1390-20
Synonyms	potash

Merck 104928 Potassium Carbonate for analysis EMSURE® ACS, ISO, Reag. Ph Eur

Product Information
CAS number	584-08-7
EC number	209-529-3
Grade	ACS,ISO,Reag. Ph Eur
Hill Formula	CK₂O₃
Chemical formula	K₂CO₃
Molar Mass	138.21 g/mol
HS Code	2836 40 00
Structure formula Image

Physicochemical Information
Density	2.43 g/cm3 (20 °C)
Melting Point	891 °C
pH value	11.5 - 12.5 (50 g/l, H₂O, 20 °C)
Bulk density	750 kg/m3
Solubility	1120 g/l

Toxicological Information
LD 50 oral	LD50 Rat > 2000 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H315: Causes skin irritation. H319: Causes serious eye irritation. H335: May cause respiratory irritation.
Precautionary Statement(s)	P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word	Warning
RTECS	TS7750000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly water endangering
Disposal	14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

Safety Information
Hazard Symbols	Irritant
Categories of danger	irritant
R Phrase	R 36/37/38 Irritating to eyes, respiratory system and skin.
S Phrase	S 22-26 Do not breathe dust.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

Storage and Shipping Information
Storage	Store at +5 °C to +30 °C.

Specifications
Assay (acidimetric; calculated on dried substance)	≥ 99.0 %
Assay (acidimetric)	≥ 99.0 %
Insoluble matter	≤ 0.005 %
Chloride (Cl)	≤ 0.003 %
Phosphate (PO₄)	≤ 0.001 %
Silicate (SiO₂)	≤ 0.005 %
Total sulfur (as sulfate)	≤ 0.003 %
Total nitrogen (N)	≤ 0.001 %
Heavy metals (ACS)	≤ 0.0005 %
Ca (Calcium)	≤ 0.002 %
Cu (Copper)	≤ 0.0005 %
Fe (Iron)	≤ 0.0005 %
Mg (Magnesium)	≤ 0.001 %
Na (Sodium)	≤ 0.02 %
Pb (Lead)	≤ 0.0005 %
Substances precipitated by ammonia	≤ 0.01 %
Loss on drying (300 °C)	≤ 1.0 %
Corresponds to ACS, ISO, Reag. Ph Eur

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