1614方法的精密度和回收率标准天然化合物, Method 1613 Precision and Recovery Std Native Compounds,Varied conc. in Nonane

制浆造纸的污水中氯代酚类化合物试剂盒, Chlorinated Phenolics in Pulp and Paper Effluents Kit

校准溶液套标- 第6组, Calibration Solution Set-Group 6

校准溶液套标- 第2组, Calibration Solution Set-Group 2

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PMI品系标准品A, PMI Stock Standard A,Varied conc. in Water

PCB-1668A套标(含5种混标), PCB Congener Set

聚乙二醇, PEG-600,2.5 mg/mL in THF (anhydrous)

校准标准品#5方法200.7, Calibration Standard #5 Method 200.7,Varied conc. in 2-5% Nitric Acid

200.7方法检测, Spiking Std #2 Method 200.7 (1991),10000 μg/mL in 2-5% Nitric Acid