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Key Documents

CRM46975

Supelco

Volatile Free Acid Mix

certified reference material, bottle of 100 mL

Synonym(s):

VFA mix

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100 ML
1 180,00 kr

1 180,00 kr

Please contact Customer Service for Availability
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100 ML
1 180,00 kr

About This Item

UNSPSC Code:
85151701
NACRES:
NA.24

1 180,00 kr

Please contact Customer Service for Availability
Request a Bulk Order

grade

certified reference material
TraceCERT®

Quality Level

300

product line

TraceCERT®

CofA

current certificate can be downloaded

packaging

bottle of 100 mL

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

format

multi-component solution

storage temp.

2-8°C

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Other Notes

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Legal Information

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

Analyte

Description
    Acetic acid
    Butyric acid
    Formic acid
    Heptanoic acid
    Hexanoic acid
    Isobutyric acid
    Isovaleric acid
    4-Methylvaleric acid
    Propionic acid
    Valeric acid
    See All (10)

related product

Product No.
Description
Pricing

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

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Iulian A Grosu et al.
Frontiers in veterinary science, 7, 31-31 (2020-03-13)
Microbiota affects host health and plays an important role in dysbiosis. The study examined the effect of diet including grape seed meal (GSM) with its mixture of bioactive compounds on the large intestine microbiota and short-chain fatty acid synthesis in
Neil Yohan Musadji et al.
Molecules (Basel, Switzerland), 25(22) (2020-11-18)
Dissolved organic matter is an important component of the global carbon cycle that allows the distribution of carbon and nutrients. Therefore, analysis of soil dissolved organic matter helps us to better understand climate change impacts as it is the most
María J Trujillo-Rodríguez et al.
Talanta, 172, 86-94 (2017-06-13)
A vacuum headspace single-drop microextraction method based on the use of magnetic ionic liquids (vacuum MIL-HS-SDME) for the determination of short chain free fatty acids is described for the first time. The basis of the method involves the use of
Alfredo Córdova Lizama et al.
Bioresource technology, 275, 352-359 (2019-01-01)
This work studied the effects on the anaerobic digestion of sewage sludge by zero valent iron nanoparticles (NZVI) dosage. Biochemical methane potential tests were carried out with 5-9 mg/gVS (99.7%, 40-60 nm). The biogas yield increased from 132 (control) to 310 mL/gVS with
Isaac Owusu-Agyeman et al.
Waste management (New York, N.Y.), 112, 30-39 (2020-06-05)
Volatile fatty acids (VFAs) are intermediates of anaerobic digestion with high value and wide range of usage. Co-digestion of sewage sludge and external organic waste (OW) for VFA production can help achieve both resource recovery and ensure sustainable and innovative
View All Related Papers

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

      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

      Helpful?

  3. Is there information on concentration of each acid of this standard mix?

    1 answer

    1. The exact concentration for each component in this standard mix will be listed on the lot specific Certificate of Analysis. Please view the link to the sample Certificate of Analysis below: https://www.sigmaaldrich.com/certificates/Graphics/COfAInfo/Supelco/pdf/OFFLINE2017/CRM46975_XA26303V.PDF

      Helpful?

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