diall caighdeánach na dtorthaí bithmheasúnachta ag BEQDL, arna dtomhas faoi choinníollacha in-atáirgtheachta lasmuigh den tsaotharlann
standard deviation of bioassay results at BEQDL, measured under within-laboratory reproducibility conditions.
ciallaíonn ‘diall caighdeánach coibhneasta in-atáirgtheachta (RSDR)’ an diall caighdeánach coibhneasta (%) arna ríomh ó na torthaí arna nginiúint faoi dhálaí in-atáirgtheachta (beachtas idirshaotharlainne), rud a chiallaíonn go ndéantar anailís ar an ábhar ceanna i saotharlanna difriúla.
‘reproducibility relative standard deviation (RSDR)’ means the relative standard deviation (%) calculated from results generated under reproducibility conditions (interlaboratory precision), meaning the same material is analysed by different laboratories.
ciallaíonn ‘diall caighdeánach coibhneasta in-atáirgtheachta laistigh de shaotharlann (RSDwR)’ an diall caighdeánach coibhneasta (%) arna ríomh ó na torthaí arna nginiúint faoi dhálaí atá in-atáirgthe laistigh de shaotharlann (beachtas idirmheánach): ag úsáid an mhodha chéanna ar an ábhar samplach céanna i saotharlann amháin ach ar laethanta difriúla (b’fhearr eatramh ama níos faide a bheith i gceist), agus féadfaidh dálaí eile a bheith ann, amhail oibreoirí éagsúla agus/nó uirlisí éagsúla (coibhéiseach) a bheith páirteach;
‘within-laboratory reproducibility relative standard deviation (RSDwR)’ means the relative standard deviation (%) calculated from results generated under within-laboratory reproducibility conditions (intermediate precision): using the same method on the same sample material in one laboratory but different days (preferably a longer time interval), and may include other conditions, such as involving different operators and/or different (equivalent) instruments;
Comhlíonfaidh gach saotharlann tagartha atá páirteach sa líonra sonraíochtaí Iarscríbhinn 6 a ghabhann le Rialachán UNECE Uimh. 117 agus beidh diallas caighdeánach (σm) ann mar a leanas:
Each reference laboratory participating in the network shall comply with the specifications of Annex 6 to UNECE Regulation No 117 and have a standard deviation (σm) as follows:
Comhlíonfaidh saotharlann iarrthach (c) sonraíochtaí Iarscríbhinn 6 a ghabhann le Rialachán UNECE Uimh. 117 arna ndéanamh air agus b'fhearr go mbeadh diallais chaighdeánacha (σm) ann mar a leanas:
The candidate laboratory (c) shall comply with the specifications of Annex 6 to UNECE Regulation No 117 and preferably have standard deviations (σm) as follows:
An tiúchan chomhfhreagrach ag an y-thrasphointe móide diall caighdeánach na hin-atáirgtheachta sa tsaotharlann arna iolrú faoi 2.33 ag an trasphointe, is ionann í agus an teorainn chinnidh.
The corresponding concentration at the y-intercept plus 2,33 times the standard deviation of the within-laboratory reproducibility at the intercept equals the decision limit.
An tiúchan chomhfhreagrach de réir an MRL nó an ML móide diall caighdeánach na hin-atáirgtheachta sa tsaotharlann arna iolrú faoi 1.64 de réir na teorann a cheadaítear, is ionann í agus an teorainn chinnidh (α = 5 %).
The corresponding concentration at the MRL or ML plus 1,64 times the standard deviation of the within-laboratory reproducibility at the permitted limit equals the decision limit (α = 5 %).
An tiúchan chomhfhreagrach de réir an STC móide diall caighdeánach in-atáirgtheacht sa tsaotharlann an mheánchion tomhaiste de réir an STC arna iolrú faoi 1.64, is ionann í agus an cumas braite.
The corresponding concentration at the STC plus 1,64 times the standard deviation of the within-laboratory reproducibility of the mean measured content at the STC equals the detection capability.
An tiúchan chomhfhreagrach de réir an STC móide diall caighdeánach in-atáirgtheacht sa tsaotharlann an mheánchion tomhaiste de réir an STC arna iolrú faoi 1.64, is ionann í agus an cumas braite,
The corresponding concentration at the STC plus 1,64 times the standard deviation of the within-laboratory reproducibility of the mean measured content at the STC equals the detection capability,
Sna táblaí seo a leanas tugtar in-atrialltacht idirchomparáid an tábla roimhe seo, arna sloinneadh mar ‘laistigh de dhiall caighdeánach saotharlainne’:
The repeatability expressed as “within laboratory standard deviation” of the intercomparison of the previous table is given in the following table:
Na torthaí ar an diall caighdeánach idirshaotharlainne ón idirchomparáid thuasluaite, tugtar sa tábla thíos iad:
The results for between laboratory standard deviation by the above mentioned intercomparison are given in the table below:
ciallaíonn ‘diall caighdeánach coibhneasta in-atrialltachta (RSDr)’ an diall caighdeánach coibhneasta (%) arna ríomh ó na torthaí arna nginiúint faoi dhálaí in-atrialltachta (beachtas in-atrialltachta): an t-oibreoir céanna ag úsáid an mhodha chéanna ar an ábhar samplach céanna i saotharlann amháin, leis an uirlis chéanna, laistigh d’eatramh gearr ama (1 lá amháin nó 1 seicheamh amháin);
‘repeatability relative standard deviation (RSDr)’ means the relative standard deviation (%) calculated from results generated under repeatability conditions (repeatability precision): using the same method on the same sample material in one laboratory by the same operator, with the same instrument, within a short interval of time (1 day or 1 sequence);
Más rud é go bhfuil diallas caighdeánach (σm) na saotharlainne iarrthaí níos airde ná na luachanna sin i ndiaidh ceithre thomhas, agus go n-úsáidtear na trí cinn dheiridh le haghaidh na ríomhaireachta, ansin méadófar líon n+1 na n-uaireanta a athdhéantar an tomhais mar seo a leanas i ndáil leis an mbaisc iomlán:
If the standard deviation (σm) of the candidate laboratory is higher than those values after four measurements, the last three being used for the computations, then the number n + 1 of measurement repetitions shall be increased as follows for the entire batch: