Wichtige Dokumente
92214
Kaliumphosphat
TraceCERT®, certified reference material, 31P-qNMR Standard, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Synonym(e):
Kaliumdihydrogenphosphat, Monokaliumphosphat, prim.-Kaliumphosphat
About This Item
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Qualität
certified reference material
TraceCERT®
Qualitätsniveau
100
300
Haltbarkeit
limited shelf life, expiry date on the label
Hersteller/Markenname
Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Methode(n)
qNMR: suitable
pKa (25 °C)
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
mp (Schmelzpunkt)
252.6 °C (lit.)
Dichte
2.338 g/mL at 25 °C (lit.)
Anwendung(en)
cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care
pharmaceutical
Format
neat
SMILES String
[K+].OP(O)([O-])=O
InChI
1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
InChIKey
GNSKLFRGEWLPPA-UHFFFAOYSA-M
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Allgemeine Beschreibung
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com
Check out our entire range of quantitative NMR standards (qNMR standards)
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Rechtliche Hinweise
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 1
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
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Analysenzertifikate (COA)
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Artikel
In certain cases, 1H qNMR reaches its limits, especially regarding the certification of complex and larger molecules. However, new fields of application often also bring along the presence of heteroatoms, namely 31P and 19F. We therefore introduced 3 CRMs for 19F qNMR with traceability to the SI.
Separation of Estriol 3-(β-D-glucuronide) sodium salt; β-Estradiol 3-(β-D-glucuronide) 17-sulfate dipotassium salt; Estriol 3-sulfate sodium salt; β-Estradiol 3,17-disulfate dipotassium salt, ≥95%; β-Estradiol 17-(β-D-glucuronide) sodium salt; β-Estradiol 3-(β-D-glucuronide) sodium salt; Estrone 3-(β-D-glucuronide) sodium salt; β-Estradiol 3-sulfate sodium salt, ≥93%; Estriol, ≥97%; Estrone 3-sulfate sodium salt, contains ~35% Tris as stabilizer; β-Estradiol, ≥98%; α-Estradiol, powder, ≥98% (TLC); Estrone, ≥99%
Verwandter Inhalt
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