Merck
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88431

Supelco

Ammonium phosphate monobasic

analytical standard, for nitrogen determination according to Kjeldahl method, ≥99.5%

Synonym(s):
mono-Ammonium phosphate, prim-Ammonium phosphate, Ammonium dihydrogenphosphate
Linear Formula:
NH4H2PO4
CAS Number:
Molecular Weight:
115.03
Número EC:
Número MDL:
ID de substância PubChem:
NACRES:
NA.24

Nível de qualidade

100

grau

analytical standard

descrição

traceable to NIST SRM 194

teor

≥99.5% (T)
≥99.5%

prazo de validade

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable
titration: suitable

Impurezas

12.18%±0.10% total Kjeldahl nitrogen

perda

≤0.2% loss on drying

pH

3.8-4.4 (25 °C, 50 mg/mL in H2O)

pf

190 °C (dec.) (lit.)

solubilidade

H2O: soluble, clear, colorless

application(s)

food and beverages

formato

neat

SMILES string

N.OP(O)(O)=O

InChI

1S/H3N.H3O4P/c;1-5(2,3)4/h1H3;(H3,1,2,3,4)

InChI key

LFVGISIMTYGQHF-UHFFFAOYSA-N

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Descrição geral

Ammonium dihydrogen phosphate is an analytical standard produced under rigorous conditions and measured with the highest possible precision.

Aplicação

It is used as a standard for nitrogen determination according to Kjeldahl′s method.

Características e benefícios

  • Available in a neat format, in a secure glass bottle to ensure its stability for the entire shelf life until opened.
  • Offers accurate titer determinations
  • Accompanied by a certificate of analysis (CoA)

Atenção

Store at room temperature. We recommend to purge with dried argon or nitrogen after first use to exclude humidity.

Código de classe de armazenamento

13 - Non Combustible Solids

WGK

WGK 1

Ponto de fulgor (ºF)

Not applicable

Ponto de fulgor (ºC)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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