EDTA dinatriumsalt dihydrat 99.0-101.0% för HPLC, Supelco®

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79884-10G 79884-50G
79884-10GEA 510 SEK
79884-10G 79884-50G
EDTA dinatriumsalt dihydrat 99.0-101.0% för HPLC, Supelco®
EDTA dinatriumsalt dihydrat

Chelator of divalent cations. Inhibits enzymes, such as metalloproteases, that require divalent cations for activity.

Formel: C₁₀H₁₄N₂Na₂O₈·2H₂O
Smältpunkt: 248 °C (dec., lit.)
MDL Number: MFCD00150037
CAS nummer: 6381-92-6
EINECS: 205-358-3
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Specifikation testresultat

Appearance (Color) Colorless or White
Appearance (Form) Powder or crystals
Titration (Kt) ZnSO4 0.1M 99.0 - 101.0 %
Suitability Test (HPLC) Corresponds to Standard
Metal Trace Analysis (ICP) Corresponds to Requirements
Aluminium (ICP) ≤ 5.0 mg/kg
Barium (ICP) ≤ 5.0 mg/kg
Bismuth (ICP) ≤ 5.0 mg/kg
Calcium (ICP) ≤ 10 mg/kg
Cadmium (ICP) ≤ 5.0 mg/kg
Cobalt (ICP) ≤ 5.0 mg/kg
Chromium (ICP) ≤ 5.0 mg/kg
Copper (ICP) ≤ 5.0 mg/kg
Iron (ICP) ≤ 5.0 mg/kg
Potassium (ICP) ≤ 50 mg/kg
Lithium (ICP) ≤ 5.0 mg/kg
Magnesium (ICP) ≤ 5.0 mg/kg
Manganese (ICP) ≤ 5.0 mg/kg
Molybdenum (ICP) ≤ 5.0 mg/kg
Nickel (ICP) ≤ 5.0 mg/kg
Lead (ICP) ≤ 5.0 mg/kg
Strontium (ICP) ≤ 5.0 mg/kg
Zinc (ICP) ≤ 5.0 mg/kg
Total Sulfur As SO4 (ICP) ≤ 50 mg/kg
Chloride (Cl) ≤ 50 mg/kg
Solubility (Method) 1.117 g in 30 ml H2O=0.1M
Appearance (Solution) Clear Colorless
Residue (Filter Test) No Residue
UV - Abs. At 260 nm ≤ 0.145
UV - Abs. At 280 nm ≤ 0.025
Recommended Retest Period 54 Months

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