Fractionation of lead in soil by isotopic dilution and sequential extraction
نویسندگان
چکیده
منابع مشابه
Fractionation of arsenic in soil by a continuous-flow sequential extraction method.
Batch sequential extraction techniques for fractionating metals or metalloids in soils are time consuming and subject to several potential errors. The development of a continuous-flow sequential extraction method for soil As is described and assessed, having the benefits of simplicity, rapidity, less risk of contamination, and less vulnerability to changes in extraction conditions compared with...
متن کاملRelationship of soil properties to fractionation, bioavailability and mobility of lead and zinc in soil
Sequential extractions, metal uptake by Taraxacum officinale, Ruby’s physiologically based extraction test (PBET) and toxicity characteristic leaching procedure (TCLP), were used to assess the risk of Pb and Zn in contaminated soils, and to determine relationships among soil characteristics, heavy metals soil fractionation, bioavailability and leachability. Regression analysis using linear and ...
متن کاملImpact of historical mining assessed in soils by kinetic extraction and lead isotopic ratios.
The aim of this study is to estimate the long-term behaviour of trace metals, in two soils differently impacted by past mining. Topsoils from two 1 km(2) zones in the forested Morvan massif (France) were sampled to assess the spatial distribution of Cd, Cu, Pb and Zn. The first zone had been contaminated by historical mining. As expected, it exhibits higher trace-metal levels and greater spatia...
متن کاملIsotopIc FractIonatIon DurIng solIDIFIcatIon
LLE Review, Volume 105 26 Introduction In inertial fusion experiments, it is energetically advantageous to form the fuel into a solid shell before compression.1 Current cryogenic target experiments on OMEGA are being performed with pure deuterium (D2) as the fuel. 2 Future cryogenic target experiments will be performed with an equimolar solid mixture of deuterium and tritium (D-T). An equilibri...
متن کاملextraction and characterization of allium irancum plant extract and its application in the green synthesis of silver nano particles and oxidation of thiocarbony1 compounds
سنتز سبز نانوذرات فلزی (nps) درسالهای اخیر توجه بسیارزیادی را به خود جلب کرده است. زیرا این پروتوکل کم هزینه وسازگار با محیط زیست از روش های استاندارد سنتز. در این پایان نامه ما گزارش میکنیم یک روش ساده و سازگار با محیط زیست برای سنتز نانوذرات نقره با استفاده از محلول آبی عصاره گیاه allium iranicum به عنوان یک عامل کاهش دهنده ی طبیعی. نانو ذرات نقره مشخص شد با استفاده از تکنیک های uv-visible، x...
ذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Environmental Chemistry
سال: 2011
ISSN: 1448-2517
DOI: 10.1071/en11020