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60137

Supelco

Potassium chloride solution

for Ag/AgCl electrodes, ~3 M KCl, saturated with silver chloride

Synonym(s):

Potassium chloride solution saturated with AgCl

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About This Item

Linear Formula:
KCl
CAS Number:
7447-40-7
Molecular Weight:
74.55
MDL number:
MFCD00011360
UNSPSC Code:
12352302
PubChem Substance ID:
24881800
NACRES:
NB.61
grade:
for Ag/AgCl electrodes
Pricing and availability is not currently available.

grade

for Ag/AgCl electrodes

Quality Level

100

quality

saturated with silver chloride

concentration

~3 M KCl

density

1.13 g/mL at 20 °C

SMILES string

[K+].[Cl-]

InChI

1S/ClH.K/h1H;/q;+1/p-1

InChI key

WCUXLLCKKVVCTQ-UHFFFAOYSA-M

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General description

KCl exists as a white ionic solid, and can be prepared by neutralizing HCl with potassium hydroxide solution. It is less soluble in hot water as compared to cold water. It occurs naturally as the minerals carnallite and sylvine. It is generally used as a fertilizer.[1][2]
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Application

Electrolyte filling solution for Ag/AgCl reference electrodes

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM4259
BCCL6760
BCCL6759
BCCL6761
BCCL0524

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Questions

1–3 of 3 Questions  

  1. 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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  2. 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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  3. 60137: Ag/AgCl electrodes, ~3 M KCl, saturated with silver chloride. Whether this solution is used as electrode filling solution or for electrode storage solution can please confirm.?

    1 answer

    1. Generally, Ag/AgCl electrodes can be filled and stored in the same solution, whether that be a NaCl or KCl electrolyte solutions. This product is an electrolyte filling solution for Ag/AgCl reference electrodes. The electrode manufacturer should be contacted for specific guidance on appropriate storage and filling solutions.

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