Natriumfluorid, EMSURE® Reag. Ph. Eur. for analysis, Supelco®
Leverantör: Merck
|
Fara
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M-Clarity™ quality level = MQ300
1.06449.0250
1.06449.1000
1.06449.9050
1.06449.0250EA
1690
SEK
1.06449.0250
1.06449.1000
1.06449.9050
Natriumfluorid, EMSURE® Reag. Ph. Eur. for analysis, Supelco®
Natriumfluorid
Formel:
NaF MW: 41,99 g/mol Kokpunkt: 1700 °C (1013 hPa) Smältpunkt: 993 °C Densitet: 2,8 g/cm³ (20 °C) Storage Temperature: Omgivande |
MDL Number:
MFCD00003524 CAS nummer: 7681-49-4 EINECS: 231-667-8 UN: 1690 ADR: 6.1,III Merck Index: 13,08691 |
Specifikation testresultat
Assay (precipitative titration) | ≥ 99,5 % |
In water insoluble matter | ≤ 0,01 % |
Free alkali (as NaOH) | ≤ 0,04 % |
Free acid (as hydrofloric acid) | ≤ 0,05 % |
Chloride (Cl) | ≤ 0,01 % |
Hexafluorosilicate (SiF₆) | ≤ 0,075 % |
Sulphate (SO₄) | ≤ 0,01 % |
Sulphite (SO₃) | ≤ 0,005 % |
Heavy metals (as Pb) | ≤ 0,001 % |
Ca (Calcium) | ≤ 0,004 % |
Cu (Copper) | ≤ 0,0002 % |
Fe (Iron) | ≤ 0,002 % |
K (Potassium) | ≤ 0,02 % |
Loss on drying (150 °C, 4 h) | ≤ 0,2 % |
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