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Merck 104928 1000 Potassium Carbonate Gr For Analysis Acs,iso 1 KG.
Merck 104928 1000 Potassium Carbonate Gr For Analysis Acs,iso 1 KG.

Merck 104928 1000 Potassium Carbonate Gr For Analysis Acs,iso 1 KG.

Ürün Kodu:1049281000
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Ürün Açıklaması
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Description
Catalogue Number104928
ReplacesPX1390; PX1390-1; PX1390-20
Synonymspotash
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Product Information
CAS number584-08-7
EC number209-529-3
GradeACS,ISO,Reag. Ph Eur
Hill FormulaCK₂O₃
Chemical formulaK₂CO₃
Molar Mass138.21 g/mol
HS Code2836 40 00
Structure formula ImageStructure formula Image
Quality LevelMQ300
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Physicochemical Information
Density2.428 g/cm3
Melting Point891 °C
pH value11.5 - 12.5 (50 g/l, H₂O, 20 °C)
Bulk density750 kg/m3
Solubility1120 g/l
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Toxicological Information
LD 50 oralLD50 Rat > 2000 mg/kg
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Safety Information according to GHS
Hazard Pictogram(s)Hazard Pictogram(s)\n
Hazard Statement(s)H315: Causes skin irritation.\nH319: Causes serious eye irritation.\nH335: May cause respiratory irritation.
Precautionary Statement(s)P261: Avoid breathing dust.\nP264: Wash skin thoroughly after handling.\nP271: Use only outdoors or in a well-ventilated area.\nP280: Wear protective gloves/ eye protection/ face protection.\nP302 + P352: IF ON SKIN: Wash with plenty of water.\nP305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal WordWarning
RTECSTS7750000
Storage class10 - 13 Other liquids and solids
WGKWGK 1 slightly hazardous to water
Disposal14\nInorganic 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).
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Safety Information
Categories of dangerirritant
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Storage and Shipping Information
StorageStore at +2°C to +30°C.
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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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