Examples of using Reference substances in English and their translations into Greek
{-}
-
Colloquial
-
Official
-
Medicine
-
Ecclesiastic
-
Financial
-
Official/political
-
Computer
Test and reference substances.
Reference Substances for the quality control of medicines.
In practice, from 6 to 10 reference substances are injected simultaneously.
Reference substances for the quality control of medicinal products.
Correlation graphs based on structurally related reference substances give the most accurate results(13).
Reference substances for the quality control of medicinal products;
Reproducibility: If the measurements are repeated with a different set of reference substances, results may differ.
CHAPTER 3 Reference substances for the quality control of medical products.
In these cases it must be confirmed that the retention time of the test and reference substances are not influenced.
The test substance and the reference substances must be soluble in the mobile phase in sufficient concentration to allow their detection.
If data on the partition coefficients of structurally related substances are not available, a more general calibration,established with other reference substances, may be used.
Up-to-date lists of available reference substances and reagents and of manufacturers and suppliers of such substances and reagents; and.
For substances with a log P above 6 it may be necessary to shorten the elution time(and those of the reference substances) by decreasing the polarity of the mobile phase or the column length.
Article 59 Consignments which contain samples of reference substances approved by the World Health Organisation for the quality control of materials used in the manufacture of medicinal products and which are addressed to consignees authorised by the competent authorities of the Member States to receive such consignments free of duty shall be admitted free of import duties.
The next step is to plot a correlation log k versus log P for appropriate reference substances with log P values near the value expected for the test substance. .
Optionally, if the experimenter foresees that the results of this test may eventually beused for other purposes(9), testing of additional reference substances may also be appropriate.
This method may require an estimation of Pow to assign suitable reference substances and support any conclusions drawn from the data generated by the test.
Whereas Regulation(EEC) No 918/83 should also be supplemented to take account of the work carried out by the World Health Organization by introduction of relief from import duties in respect of the reference substances required for the quality control of medicinal products;
Establishing and maintaining reference collections and have up-to-date lists of available reference substances and reagents and of manufacturers and suppliers of such substances and reagents.
Tablet characterisation, excipient compliance with the requirements of the Ph. Eur, specifications for dissolution, tests on colorants, stress and impurities,certificates of analysis of the reference substances and packaging and containers are considered generally acceptable.
If a solvent other than the mobile phase is used to dissolve the test and reference substances, the mobile phase should be used for the final dilution prior to injection.
Repeatability: The value of log Pow derived from repeated measurements made under identical conditions and using the same set of reference substances should fall within a range of± 0,1 log units.
When relevant, it will validate the reagents and reagent batches, establish andmaintain updated lists of available reference substances and reagents and manufacturers and suppliers of such substances and reagents.
Where relevant, validate the reagents and lots of reagents, establish andmaintain up-to-date lists of available reference substances and reagents and of manufacturers and suppliers of such substances and reagents;
Application of the concept of grouping substances implies that the information required by REACH(physicochemical properties, effects on human health and the environment, etc.)can be drawn from tests conducted on reference substances(source substances) within the group, by interpolation with other substances in the group(target substances). .
The same kelvin has difference light under different reference substance.
The titration result is multiplied by the empirical factor of 54 for conversion to the reference substance nonylphenol condensed with 10 mols ethylene oxide(NP 10).
For example, with respect to the EF impact category“climate change”, CO2 is chosen as the reference substance and kg CO2-equivalents as the reference unit.
It is advisable to test a reference substance at least twice a year or, where testing is carried out at a lower frequency, in parallel to the determination of the toxicity of a test substance. .
The infrared spectrum of the sample should be consistent with that of the reference substance.