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Merck

58355-U

SUPELCOSIL LC-18-DB (5 µm) HPLC Columns

L × I.D. 25 cm × 4.6 mm, HPLC Column

Sinonimo/i:

Colonna per HPLC C18 purezza elevata

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Informazioni su questo articolo

Codice UNSPSC:
41115700
eCl@ss:
32110501
NACRES:
SB.52

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Servizio Tecnico
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Nome del prodotto

Colonna per HPLC SUPELCOSIL LC-18-DB., 5 μm particle size, L × I.D. 25 cm × 4.6 mm

Materiali

stainless steel column

Livello qualitativo

agenzia

suitable for USP L1

Nome Commerciale

SUPELCOSIL

Caratteristiche

endcapped

Produttore/marchio commerciale

SUPELCOSIL

Confezionamento

1 ea of

Grado di funzionalizzazione

11.0% Carbon loading

Parametri

0-70 °C temperature
400 bar pressure (5801 psi)

tecniche

HPLC: suitable

Lungh. × D.I.

25 cm × 4.6 mm

Area superficiale

170 m2/g

Copertura della superficie

surface coverage 3.1 μmol/m2

Matrice

silica gel, spherical particle platform
fully porous particle

Gruppo funzionale matrice

C18 (octadecyl) phase

Dimensione particelle

5 μm

Dimensione pori

120 Å

pH di lavoro

2-7.5

applicazioni

food and beverages

Compatibilità

for use with PTC-AA

Tecnica di separazione

reversed phase

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separation technique

reversed phase

separation technique

reversed phase

separation technique

reversed phase

separation technique

reversed phase

matrix active group

C18 (octadecyl) phase

matrix active group

C18 (octadecyl) phase

matrix active group

C18 (octadecyl) phase

matrix active group

C18 (octadecyl) phase

particle size

5 μm

particle size

5 μm

particle size

5 μm

particle size

5 μm

L × I.D.

25 cm × 4.6 mm

L × I.D.

5 cm × 4.6 mm

L × I.D.

15 cm × 4.6 mm

L × I.D.

30 cm × 4 mm

pore size

120 Å

pore size

120 Å

pore size

120 Å

pore size

120 Å

agency

suitable for USP L1

agency

suitable for USP L1

agency

suitable for USP L1

agency

suitable for USP L1

Descrizione generale

Le fasi SUPELCOSIL LC-DB sono appositamente disattivate per i composti basici. Queste colonne forniscono una minore ritenzione, una migliore forma del picco e una maggiore efficienza per le basi organiche rispetto ad altre colonne di silice in fase inversa di tipo A.

Applicazioni


  • Ottimizzazione e validazione di un metodo HPLC per la determinazione della tetrametrina nella formulazione di shampoo per uso umano. Questo studio illustra l'ottimizzazione e la validazione di un metodo di cromatografia liquida ad alte prestazioni (HPLC) utilizzando la colonna HPLC SUPELCOSIL LC-18-DB per l'analisi della tetrametrina in formulazioni di shampoo (Zeric Stosic et al., 2016).

  • Caratterizzazione spettrometrica di massa e determinazione HPLC dei principali metaboliti urinari della nimesulide nell'uomo. Lo studio esamina in dettaglio un approccio robusto per l'identificazione e la quantificazione dei metaboliti della nimesulide tramite HPLC, sottolineando l'utilizzabilità delle colonne con matrici biologiche complesse (Carini et al., 1998).


Altre note

Scopra i reagenti LiChropur ideali per analisi HPLC o LC-MS

Note legali

SUPELCOSIL is a trademark of Sigma-Aldrich Co. LLC

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


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An LC/MS/MS method for the simultaneous determination of cilostazol, a quinolinone derivative, and three active metabolites, OPC-13015, OPC-13213, and OPC-13217, in human plasma was developed and validated. Cilostazol, its metabolites, and the internal standard, OPC-3930 were extracted from human plasma
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A HPLC-UV determination of loratadine in human plasma is presented. After simple liquid-liquid extraction with 2-methylbutane-hexane (2:1) and evaporation of organic phase the compounds were re-dissolved in 0.01 M HCl, evaporated again and finally separated on a Supelcosil LC-18-DB column.
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Protocolli

Amino Acid Analysis is the suitable tool for precise determination of protein quantities but also provides detailed information regarding the relative amino.

Chromatograms

Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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