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Rtx-5气相毛细管柱
纯水pH调节剂(5x60mL)
4-苯基-3-硫代氨基脲
苯硼酸(含有数量不等的酸酐)
9-溴-10-苯基蒽
气相色谱柱,TR-1, 30m, 0.32, 0.1um
DISPOSABLE VACUUM FILTERS, PS, 125 ML, PORE SIZE 0,20 μm, FOR STERIL-FILTRATION
Sedimentation apparatus acc. to Andreasen, for the particle size determination of mortar, clay, cement, flour, coal dust etc, cylinder graduated in 0-20 cm: 1cm, socket ST 29/32, w. 10
丙酮中氯氟氰菊酯溶液标准物质
(1S)-(+)-3-Carene标准品