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Potassium dichromate

reference material for titrimetry, certified by BAM, >99.5%

Synonyme(s) :

Potassium bichromate

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50 G
484,00 $

484,00 $

Disponible pour expédition le02 avril 2025Détails

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50 G
484,00 $

About This Item

Formule linéaire :
K2Cr2O7
Numéro CAS:
7778-50-9
Poids moléculaire :
294.18
Numéro CE :
231-906-6
Numéro MDL:
MFCD00011367
Code UNSPSC :
41116107
ID de substance PubChem :
329756173
Nomenclature NACRES :
NA.24

484,00 $

Disponible pour expédition le02 avril 2025Détails

Devis pour commande en gros

Qualité

reference material

Niveau de qualité

100

Essai

>99.5%

Technique(s)

titration: suitable

Pf

398 °C (lit.)

Format

neat

Chaîne SMILES 

[K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O

InChI

1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1

Clé InChI

KMUONIBRACKNSN-UHFFFAOYSA-N

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Catégories apparentées

Description générale

Potassium dichromate is an oxidimetric standard produced under stringent conditions and measured with the highest possible precision. Its content determination and homogeneity assessment are performed using volumetric redox titration as the primary analysis method.

Application

It finds its use as a reference material for the standardization of volumetric solutions in redox titrations.

Caractéristiques et avantages

  • Available in a neat format in a secure glass bottle to ensure its stability for the entire shelf life until opened.
  • Traceable to NIST SRMs
  • High-quality offering accurate titer determinations
  • Accompanied by a certificate of analysis (CoA)

Remarque sur l'analyse

Exact concentration, expiry date, traceability and detailed information on certification can be found on the certificate and certification report, included in each package. Content and expiry date on label.

Mention d'avertissement

Danger

Classification des risques

Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Dam. 1 - Muta. 1B - Ox. Sol. 2 - Repr. 1B - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 1 Inhalation - STOT SE 3

Organes cibles

Cardio-vascular system, Respiratory system

Code de la classe de stockage

5.1B - Oxidizing hazardous materials

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Faites votre choix parmi les versions les plus récentes :

Certificats d'analyse (COA)

Lot/Batch Number
BCCJ8132
BCCB9372
BCBV2009

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Si vous avez besoin d'une version particulière, vous pouvez rechercher un certificat spécifique par le numéro de lot.

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Changes in aquatic toxicity of potassium dichromate as a function of water quality parameters
Kikuchi M, et al.
Chemosphere, 170, 113-117 (2017)
Raman spectroscopic study of oxidation of aniline and N-methylaniline with dichromate
Mazeikiene R, et al.
Journal of Molecular Structure, 1139, 333-337 (2017)
Eduardo Molina-Jijón et al.
Toxicology, 291(1-3), 93-101 (2011-11-26)
Deferoxamine (DFO) is a recognized iron chelator which has been shown to exert nephroprotection in models of toxic nephropathies. In the present work the potential protective effects of DFO against Cr(VI)-induced nephrotoxicity and oxidant stress were evaluated. Rats were injected
Shafaqat Ali et al.
Environmental toxicology and chemistry, 32(10), 2234-2239 (2013-06-19)
A hydroponic experiment was carried out to examine the effect of hydrogen sulfide (H2 S) in alleviating chromium (Cr) stress in barley. A 2-factorial design with 6 replications was selected, including 3 levels of NaHS (0 μM, 100 μM, and
Lubna Shakir et al.
Environmental toxicology and pharmacology, 34(2), 180-191 (2012-04-24)
The problem of water pollution acquires greater relevance in the context of a developing agrarian economy like Pakistan. Even though, the leather industry is a leading economic sector in Pakistan, there is an increasing environmental concern regarding tanneries because they
Afficher tous les articles scientifiques apparentés

Questions

1–3 of 3 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/449/386/product-dating-information-mk.pdf

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  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

      Helpful?

  3. ¿Is this item certified on ISO 17034?

    1 answer

    1. This product is a BAM Certified reference material. BAM is accredited as an RM manufacturer in accordance with DIN EN ISO 17034 (General Requirements for the Competence of Reference Material Manufacturers) by the German Accreditation Body (DAkkS). The certification of our reference materials is based on the principles and requirements of DIN EN ISO 17034 and ISO Guide 35.

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