en

internal standard

1

Terminological databases

EKI terminibaas Esterm

ID 702116 Last modified 02.07.2018
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Domain Standardisation - Metrology
internal standard preferred
internal indicator
IS
  • an indicator which is dissolved in the solution in which the main reaction takes place
Good to know
  • DE: interner Standard [T45102] FR: standard interne [T45102] FI: sisäinen standardi [T45102]
sisestandard
Usage examples
  • Asetada kahte 250ml mahuga lihvkorgiga mõõtekolbi A ja B võrdne kogus hoolikalt peenestatud proovi, mis sisaldab ligikaudu 200 g vitamiini C. Lisada kolbi A 0,4 ml standardlahust ja segada kergelt loksutades (sisestandard).
internal standard preferred
Usage examples
  • The sterols are transformed into trimethyl-silyl ethers and are analysed by capillary-column gas chromatography with reference to an internal standard betulin.
internal indicator
IS abbreviation

Keemiaterminite baas

ID 1138517 Last modified 15.01.2025
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  • keemiline ühend, mida lisatakse analüüsitavale proovile kindlas kontsentratsioonis, hõlbustamaks selle proovi komponentide kvalitatiivset ja/või kvantitatiivset määramist
  • a compound added to a sample in known concentration to facilitate the qualitative indentification and/or quantitative determination of the sample components

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