Calibration - Acetone - 2025

Standard Reference Materials

Home Standard Reference Materials Physico-chemistry - Calibration - Acetone - 2025

Purpose

calibration and adjustment of infrared analysers


Number of samples

- 1 set of 6 samples which are the same for the Gerber and Amido black methods

- 1 set of 6 samples which are the same for the Kjeldahl and Röse-Gottlieb methods

- 1 set of 6 samples which are the same for the determination of dry matter and cryoscopic measurements


Nature of SRMs

1 inseparable group of 5 samples of milk with various acetone contents from 0.10 to 0.20 mmoles/liter


Preservation

addition of Bronopol to the samples (final concentration: 0.04 %)


Packaging

in 30 ml polyethylene screw-capped vials with airtight seals


Dispatch

monthly and on request (subject to availability), in insulated box with ice packs by express carrier (see regulation for shipping times)

For an order without annual subscription, send your order form before 3 p.m., otherwise packages can be sent the following day (valid from Monday to Wednesday) (except for countries outside UE - Outside EU, time before dispatch may take up 7 days, the time necessary to obtain customs documents)


Standard values

determined by the results obtained by an expert laboratory using the continuous flow chemical method. Results are expressed in mmoles/l and confirmed by a group of expert laboratories using the infrared method


Calendar of dispatch :

 

Month of dispatch Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec
Week 3 7 11 15 19 24 28 32 37 41 45 50

Rates

Annual subscription Without subscription
Subscription
(12 shipments / year)
For each extra group every month "extra dispatch in the course of the year (per group) Per group
Acetone 857.54 € 205.59 € 71.48 € 101.46 €


Payment conditions :

within 1 month of receiving invoice

Formulas

  • Acetone




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