Teknik Özellikler
Catalog No	: 31437
Cas Number	: 144-55-8
Linear Formula	: NaHCO3
Molecular Weight	: 84.01
EC Number	: 205-633-8
MDL Number	: MFCD00003528
Grade	: ACS reagent, reag. Ph. Eur., puriss. p.a.
Assay	: ≥ 99.7 %
Form	: Powder
İmpurities	residual solvents, complies ≤ 0.0005 % ammonium (NH4) ≤ 0.003 % S-compounds (as SO4) ≤ 0.005 % I red. matters (as SO2) ≤ 0.015 % in water insoluble matters
pH	: ≤ 8.6 (20 °C, 5 %)
pKa (25 °C)	: (1) 6.37, (2) 10.25 (carbonic acid)
Solubility	H2O: soluble0.5 g/10 mL, clear, colorless water: soluble 50 g/L
Anion traces	chloride (Cl-): ≤10 mg/kg phosphate (PO4³-): ≤10 mg/kg
Cation traces	As: 2 ppm (MHS-AAS) Ca: ≤100 ppm Cd: ≤5 ppm Co: ≤50 ppm Cu: ≤5 ppm Fe: ≤5 ppm K: ≤50 ppm Mg: ≤50 ppm Ni: ≤50 ppm Pb: ≤5 ppm Zn: ≤5 ppm
Suitability	: Complies for appearance of solution

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31437 sigma sigma aldrich sodium hydroxide carbonate sigma aldrich sigma aldrich türkiye sigma aldrich msds sigma aldrich kimyasal satışı sigma aldrich catalog sigma aldrich katalog sigma aldrich solvent sigma aldrich solvents

Sodıum Hydrogen Carbonate gr For Analy. Plastik Şişe 1 Kilogram

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