(Table 5, page 10) Trace elements composition of sediment residues after acid...

The sediment samples were dried at 60°C for 12-16 hrs prior to grinding and analysis. Samples were leached in hydroxylamine hydrochloride-acetic acid (HH-AA) and the residues...沉积物样品在研磨与分析前，先于60℃条件下干燥12至16小时。样品采用盐酸羟胺-乙酸（hydroxylamine hydrochloride-acetic acid，HH-AA）体系进行浸提，所得残渣……