索氏提取器

样品经索氏提取器提取后，再以咖啡因-甲酸提取液提取，经乙酰化滤纸纸层析分离，用荧光薄层扫描法测定各样品中B（a）P的含量。

After combining extraction by caffeine and formic acid with PC-Scanning method , the B ( a ) P contents were obtained .

以75%乙醇为溶剂，索氏提取器提取，采用比色法和HPLC法研究了迎春花中黄酮类化合物的含量。

The flavonoids in Jasminum nudiflorum Lindl . extracted by Soxhlet extractor with 75 % ethanol was studied by colorimetry and HPLC .

以海带为原料，采用索氏提取器对海带脂肪酸进行提取研究，并应用GC-MS技术对海带脂肪酸成分进行分析。

Taken sea-tangle as material , a study was carried out on extracting the fatty acid in sea-tangle by Soxhlet extractor , and an analysis was conducted to the fatty acid 's components of sea-tangle by the technique of GC-MS.

以3-羟基丁酸和乙醇为原料，在对甲苯磺酸的催化下分别以氧化钙、3A分子筛、无水硫酸镁为脱水剂，采用索氏提取器进行回流脱水合成3-羟基丁酸乙酯。

Preparation of ethyl 3-hydroxybutyrate from 3-hydroxybutyric acid and ethanol was studied . Reaction was carried out in a Soxhlet extracting set , with paratoluenesulfonic acid as catalyst and CaO , molecular sieve type 3A or MgSO_4 as dehydrating agent .

结果表明：（1）在90℃下采用85%乙醇，以1：4物料比，用索氏提取器连续提取3次，每次1.5h条件下红色素产率最高；

Results show that : ( 1 ) the high production was obtained under the conditions of 90 ℃, 85 % ethanol , 1 ∶ 4 the ratio , 1 times / 1.5h , total 3 times by Suo Extraction Installation ;

方法：索氏提取器多次回流提取。

Methods : Repeatedly reflux extracted by Soxhlet extractor .

方法用索氏提取器分别以水、乙醇为浸提介质。

Method By using Soxhlet extractor , water and ethanol were used as medium respectively .

以95%的乙醇为提取剂，用索氏提取器从干橘皮中提取脂溶性黄色素，并对其性能进行了研究。

The fat-soluble yellow pigment was extracted from dry orange skin by soxhlets and95 % ethyl alcohol was used as extractor .

将其用于学生实验，提高了提取效率，缩短了实验时间，降低了实验费用和环境污染，还可省去购置索氏提取器的开支。

It can improve the efficiency , save time and expense and decrease the pollution to the environment in the students ' experiment .

第三章：毛细管气相色谱法测定土壤中有机氯农药的残留量。土壤以石油醚+丙酮在索氏提取器中提取，提取液在刻度离心试管中以浓硫酸净化。

In Chapter Three , a method is described for the determination of trace organochlorine ( BHC + DDT ) in soil by capillary gas chromatography .

样品经索氏提取器提取、固相硅胶净化小柱净化后，用GC/MS联用仪进行定性和定量特征离子分析。

Sample was extracted in Soxhlet equipment , and clean-up was performed on a solid-phase column containing silica gel . Identification and quantification analyses were performed in SIM mode of GC / MS.