2019
DOI: 10.1016/j.scitotenv.2019.01.257
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Accumulation, fractionation and health risk assessment of fluoride and heavy metals in soil-crop systems in northwest China

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Cited by 90 publications
(32 citation statements)
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“…The Cr, Pb, and Zn concentrations in soil and wheat samples were determined by inductively coupled plasma-mass spectrometry (ICP-MS, Agilent, Palo Alto, CA, USA). The soil pH was determined at the soil: water ratio of 1: 2.5 at room temperature by using a combined glass-calomel electrode (PHS-3E, Rex, Shanghai INESA Scientific Instrument Co., Ltd., Shanghai, China) [33].…”
Section: Methodsmentioning
confidence: 99%
“…The Cr, Pb, and Zn concentrations in soil and wheat samples were determined by inductively coupled plasma-mass spectrometry (ICP-MS, Agilent, Palo Alto, CA, USA). The soil pH was determined at the soil: water ratio of 1: 2.5 at room temperature by using a combined glass-calomel electrode (PHS-3E, Rex, Shanghai INESA Scientific Instrument Co., Ltd., Shanghai, China) [33].…”
Section: Methodsmentioning
confidence: 99%
“…Soil and plant samples were digested by using microwave digestion system (Anton Paar, Multiwave PRO 3000) (Li et al, 2018). Soil samples of 0.2g were digested with the mixture of HNO 3 , HCl, HF and H 2 O 2 (v/v, 3:1:1:1) and plant samples of 0.5g were digested with the mixture of HNO 3 and H 2 O 2 (v/v, 4:1) to determine the total Cu, Zn, Pb, Cd, Cr, Mn (Li et al, 2019), while 0.2g soil samples or 0.5g plant samples were digested with the mixture of HCl and HNO 3 (v/v, 3:1) to determine the total Hg and As (Zhang et al, 2018). The Chemical speciation of heavy metals of the soil was obtained using the Tessier sequential extraction procedure (Tessier et al, 1979).…”
Section: Samples Analysismentioning
confidence: 99%
“…The pH and EC were measured following the soil-water ratio of 1:2.5, using a pH meter (PHS-3E) and a conductivity meter (HI9811) (Zang, Wang et al 2017). The content of organic matter was determined by the potassium dichromate oxidation-volumetric method, and the content of carbonate was determined by hydrochloric acid titration (Li, Wang et al 2019). The soil particle size measured with a laser particle size analyzer (Mastersize 2000).…”
Section: Pretreatment Of Samples and Determination Of Physical And Chemical Indexmentioning
confidence: 99%
“…In general, the pollution degree of Dongdagou was more serious than that of Xidagou. (Li, Wang et al 2019). According to reports, after chemical fertilizers were applied to farmlands all over the world, the pH value of the soil dropped severely, and acidic wastewater irrigation was a key factor (Kunhikrishnan, Bolan et al 2012).…”
Section: Effect Of Sewage Irrigation On Physical-chemical Properties Of Topsoilmentioning
confidence: 99%
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