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CRM47525

Supelco

(±)-Geosmin and 2-Methylisoborneol Solution

certified reference material, TraceCERT®, 100 μg/mL each component in methanol, ampule of 1 mL

Synonym(s):

Drinking Water Odor Standards, Odor Standards

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100 MG
CA$225.00

About This Item

EC Number:
UNSPSC Code:
77101502
NACRES:
NA.24

CA$225.00


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grade

certified reference material
TraceCERT®

Quality Level

product line

TraceCERT®

CofA

current certificate can be downloaded

packaging

ampule of 1 mL

concentration

100 μg/mL each component in methanol

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

environmental

format

multi-component solution

storage temp.

2-30°C

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1 of 4

This Item
Z225320Z225339Z176052
pressure measuring range

≤3,000 psig

pressure measuring range

-

pressure measuring range

-

pressure measuring range

-

CGA Inlet size

180

CGA Inlet size

-

CGA Inlet size

-

CGA Inlet size

-

General description

(±)-Geosmin and 2-Methylisoborneol are two non-toxic compounds responsible for the earthy and musty odor of water and soil. They are the secondary off-flavor metabolites produced by algae and bacteria under organic and aerobic conditions.

Application

The CRM can also be used as follows:

  • Determination of geosmin and 2-methylisoborneol (2-MIB) in recirculating aquaculture systems (RAS) by stir bar sorptive extraction (SBSE) coupled with liquid chromatography-atmospheric pressure chemical ionization-mass spectrometric (LC-APCI-MS) detection
  • Detection of geosmin and 2-methylisoborneol in 100 cyanobacterial strains using solid phase microextraction-gas chromatography-mass spectrometry (SPME GC-MS)
  • Simultaneous analysis of 51 odor-causing compounds in drinking water samples by liquid-liquid extraction (LLE) coupled with gas chromatography-triple quadrupole tandem mass spectrometry (GC-MS/MS)
  • Optimization of a headspace solid-phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS) method for the quantification of off-flavor compounds in wine samples
  • Development and validation of a gas chromatography-tandem mass spectrometry (GC-MS/MS) method to measure off-flavor odorants in cork stopper samples following their headspace solid-phase microextraction using divinylbenzene/carboxen/polydimethylsiloxane (DVB/CAR/PDMS) coated fibers

Other Notes

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

Legal Information

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

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1

Target Organs

Eyes,Central nervous system

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

49.5 °F - closed cup

Flash Point(C)

9.7 °C - closed cup


  • Certificates of Analysis (COA)

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    Tyrian purple: 6, 6'-dibromoindigo and related compounds.
    Cooksey CJ.
    Molecules (Basel), 6(9), 736-769 (2001)
    Olga V Barykina et al.
    Organic letters, 12(11), 2664-2667 (2010-05-08)
    The synthesis of (+/-)-eusynstyelamide A has been accomplished in six steps in 13% overall yield from 6-bromoindole, methyl glycidate, and Boc-protected agmatine. If oxygen is carefully excluded from the reaction, the key NaOH-catalyzed aldol dimerization of the alpha-ketoamide proceeded efficiently
    Jae Hong Seo et al.
    The Journal of organic chemistry, 71(23), 8891-8900 (2006-11-04)
    An efficient synthetic strategy for installation of the two vicinal quaternary carbon centers of the communesins is reported. Key steps include the O-allylation/Claisen rearrangement of spirolactone systems, which are formed by tandem intramolecular Heck cyclization/carbonylation. Substituent and solvent effects on
    The bromo-2-nitrobenzoic acids.
    Erickson JLE, et al.
    Journal of the American Chemical Society, 74(22), 5621-5623 (1952)
    A Simple, Safe and Efficient Synthesis of Tyrian Purple (6, 6'-Dibromoindigo).
    Wolk JL and Frimer AA.
    Molecules (Basel), 15(8), 5561-5580 (2010)

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