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Merck

92214

Supelco

Kaliumphosphat

TraceCERT®, certified reference material, 31P-qNMR Standard, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Synonym(e):

Kaliumdihydrogenphosphat, Monokaliumphosphat, prim.-Kaliumphosphat

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About This Item

Lineare Formel:
KH2PO4
CAS-Nummer:
Molekulargewicht:
136.09
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352302
PubChem Substanz-ID:
NACRES:
NA.24

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

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com




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Rechtliche Hinweise

TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable


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Analysenzertifikate (COA)

Lot/Batch Number

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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%

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