Based on the observation that the characteristic odour of inflatable aquatic toys for children is predominantly caused by residues of hazardous organic solvents, the concentrations of cyclohexanone, isophorone and phenol were determined in a selection of 20 products obtained from online suppliers located in Germany. Analytes were extracted with dichloromethane after the addition of non-labelled internal standards, and the volatile fraction was isolated using solvent-assisted flavour evaporation (SAFE). Extracts were then concentrated by Vigreux distillation and analysed by means of gas chromatography with mass spectrometric detection (GC-MS). Furthermore, each sample was evaluated regarding its specific olfactory properties by an expert sensory panel. While some samples did not contain significant amounts of solvents, cyclohexanone concentrations above the lower limit of quantification (LLOQ) were determined in nine samples with six samples containing high concentrations ranging from about 1 to 7 g/kg cyclohexanone. Isophorone concentrations above the LLOQ were observed in eight samples. Thereby, six products contained between 0.3 and 1.6 g/kg isophorone and the remaining two samples contained even about 5 g/kg isophorone, each. Likewise, phenol concentrations exceeded the LLOQ in 14 cases, with four samples containing elevated amounts ranging from about 140 to 280 mg/kg phenol.

根据观察发现，儿童充气水上玩具的典型气味主要是由有害有机溶剂的残留引起的，在从德国在线供应商处选择的20种产品中，确定了环己酮，异佛尔酮和苯酚的浓度。添加未标记的内标后，用二氯甲烷萃取分析物，并使用溶剂辅助风味蒸发（SAFE）分离挥发物。然后将提取物通过Vigreux蒸馏进行浓缩，并通过具有质谱检测（GC-MS）的气相色谱法进行分析。此外，专家感官小组对每个样品的嗅觉特性进行了评估。尽管某些样品中不含大量溶剂，在9个样品中测定了高于定量下限（LLOQ）的环己酮浓度，其中6个样品的环己酮浓度范围约为1至7 g / kg。在八个样品中观察到高于LLOQ的异佛尔酮浓度。因此，六个产物含有0.3至1.6g / kg的异佛尔酮，其余两个样品甚至含有约5g / kg的异佛尔酮。同样，在14个案例中，苯酚浓度超过了LLOQ，其中四个样品的苯酚含量升高，范围从140到280 mg / kg。3和1.6 g / kg的异佛尔酮，其余两个样品甚至含有约5 g / kg的异佛尔酮。同样，在14个案例中，苯酚浓度超过了LLOQ，其中四个样品的苯酚含量升高，范围从140到280 mg / kg。3和1.6 g / kg的异佛尔酮，其余两个样品甚至含有约5 g / kg的异佛尔酮。同样，在14个案例中，苯酚浓度超过了LLOQ，其中四个样品的苯酚含量升高，范围从140到280 mg / kg。