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Sulphate concentration was determined by gravimetric analysis using BaCl2 in acidified medium.
The respirable dust samples were quantified by gravimetric analysis using a Mettler AT 261 delta range with a limit of detection of 0.01 mg/m.
We determined daily 24-hr measurements of PM2.5 by gravimetric analysis using Mini-Vol portable air samplers (version 4.2; Air Metrics, Eugene, OR, USA), with 47 mm Teflon filters (Pall Gelman Laboratory, Ann Arbor, MI, USA) and flows set at 4 L/min, located within the living room of the nursing home during the follow-up period.
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We conducted PM gravimetric analysis using a Mettler T5 microbalance (Mettler, Columbus, OH).
Due to its limited resolution, the evaluation was complemented with gravimetric analysis, using a solvent exchange method [ 13].
The concentration of solution used in experiments was 1.78% (by gravimetric analysis).
SO4 2− was determined by gravimetric analysis as BaSO4.
The surface coverage of the functional groups could be estimated by gravimetric analysis [20, 31].
The erosion kinetics was assessed by gravimetric analysis and scanning electron microscopy.
The solution collected from the dialysis cassette contained 1.50% w/v APSF as determined by gravimetric analysis.
The concentration of BMSS in the solutions resulting from various batches was between 1.12% and 1.24% (by gravimetric analysis).
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