Gaois

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3 results

  1. SCIENCE|natural and applied sciences|life sciences|pharmacology · SCIENCE|natural and applied sciences|physical sciences|chemistry

    #556977

    IATE #1418974
    comhéifeacht rannach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Context 'Maidir le substaintí orgánacha, déanfar an acmhainn bhithbhailithe a aimsiú de ghnáth trí úsáid a bhaint as an gcomhéifeacht rannach ochtanól/uisce, a thuairiscítear de ghnáth mar log Kow.' Reference Rialachán (CE) uimh. 1272/2008 maidir le haicmiú, lipéadú agus pacáistiú substaintí agus meascán, agus lena leasaítear agus lena n-aisghairtear Treoir 67/548/CEE agus Treoir 1999/45/CE, agus lena leasaítear Rialachán (CE) Uimh. 1907/2006, CELEX:32008R1272/GA
    Verteilungskoeffizient | logP | K
    de
    Definition Verhältnis der Gleichgewichtskonzentrationen einer gelösten Substanz in einem Zweiphasensystem aus zwei weitgehend unmischbaren Lösungsmitteln Reference Deutsche Berufsgenossenschaft der Bauwirtschaft > Themen > Sicherheit und Gesundheit > Gefahrstoffe > Sicherheitsdatenblatt > Lehrgang Sicherheitsdatenblatt > Stichwortverzeichnis A - Z > V > „Verteilungskoeffizient (Log pOW) (27.5.2021)"
    distribution coefficient | partition coefficient
    en
    Definition ratio of the equilibrium concentrations (ci) of a dissolved un-ionised substance in a two-phase system consisting of two largely immiscible solvents Reference COM-Terminology Coordination, based on: Commission Regulation (EC) No 440/2008 laying down test methods pursuant to Regulation (EC) No 1907/2006 on the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH)
    Comment The partition coefficient being the quotient of two concentrations, is dimensionless and is usually given in the form of its logarithm to base ten.
    coefficient de répartition | coefficient de partage | coefficient de partition
    fr
    Definition rapport des concentrations à l'équilibre (ci) d'une substance dissoute dans un système biphasique consistant en deux solvants quasiment non miscibles Reference Règlement (CE) nº 440/2008 établissant des méthodes d'essai conformément au règlement (CE) nº 1907/2006 concernant l'enregistrement, l'évaluation et l'autorisation des substances chimiques, ainsi que les restrictions applicables à ces substances (REACH)
    Comment Le coefficient de partage (P) est donc le quotient de deux concentrations; il est généralement indiqué sous la forme de son logarithme, base 10 (log P).
    P
    mul
  2. SCIENCE|natural and applied sciences|life sciences|pharmacology · SCIENCE|natural and applied sciences|physical sciences|chemistry

    #558021

    IATE #1446115
    comhéifeacht dáileacháin Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Verteilungskoeffizient
    de
    distribution constant | distribution ratio | distribution coefficient
    en
    Definition ratio of the concentration of both ionised and un-ionised species of a compound in a mixture of two immiscible phases Reference Madhu. Difference Between Partition Coefficient and Distribution Coefficient (6.1.2021). DifferenceBetween.com
    Comment The distribution constant is pH dependent and the term logD is used to reflect the pH dependent lipophilicity of a drug
    coefficient de distribution
    fr
    Definition grandeur analogue au coefficient de partage (5.3.2021) mais tenant compte des divers équilibres acide-base auxquels le soluté donne lieu dans chacune des phases Reference Dictionnaire de l'Académie nationale de Pharmacie > coefficient de distribution (5.3.2021)
  3. AGRICULTURE, FORESTRY AND FISHERIES|means of agricultural production|means of agricultural production · INDUSTRY|chemistry

    #579233

    IATE #3530105
    comhéifeacht asúcháin uisce ar ithir Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    comhéifeacht dáileacháin Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Kd Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    comhéifeacht súcháin lotnaidicíde ar ithir Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    comhéifeacht asúcháin uisce le hithir Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    distribution coefficient | Kd | pesticide soil sorption coefficient | soil/water adsorption coefficient
    en
    Definition the "soil-water" partitioning coefficient and is the ratio of a chemical's sorbed concentration (mg/kg) to the dissolved concentration (mg/L) at equilibrium Reference US EPA. Soil/Water Adsorption Coefficient (Kd) http://www.epa.gov/oecaagct/ag101/pestkd.html [20.1.2011]
    Comment The greater the Kd value, the less likely a chemical will leach or contribute to runoff. A very high value means it is strongly adsorbed onto soil and organic matter and does not move throughout the soil. Higher is better. Pesticides are less likely to leach or occur as surface runoff when the Kd is greater than 5Kd(L/kg) = Sorbed Concentration (mg/kg) / Dissolved Concentration (mg/L).For organics, Kd may be calculated by multiplying Koc (the soil organic carbon-water partitioning coefficient) by foc (the mass fraction of soil organic carbon content), as illustrated below:Kd = Koc x foc For Koc, see IATE:3530100<>