水杨酸/柳酸 TraceCERT®这个名字，来源于英文单词Traceability（可溯源性）和CERTified（认证）。TraceCERT®认证标准物质溶液，可溯源到至少2家标准权威机构（NIST、BAM等），并且其生产通过了ISO/IEC 17025和 ISO Guide 3

62571-50MG-F Lithium ionophore VIII Selectophore®, function tested Lipophilic, neutral ionophore for lithium ion-selective solvent polymeric memb

95292 Hydrogen ionophore I Selectophore®, function tested 更多离子载体相关信息，请访问我们的网站： http://www.sigma-aldrich.com/selectophore

21192 Calcium ionophore I Selectophore®, ≥99.0% (HPLC), function tested Used as ionophore in membrane electrodes for the determination of Ca2+

  71747 Sodium ionophore X Ionophore employed in solid-state and polymeric membrane sodium-selective electrodes1,2 更多离子载体相关产品，请访问我们的网站： http://w

60403 Potassium ionophore I，Selectophore®, function tested Important research tool for membrane studies1; As ionophor in membrane electrodes for

87369 Tetrahydrofuran - Selectophore®, ≥99.5% (GC) (Fluka)  专为制备离子选择性膜所开发。 更多离子载体相关产品和应用，请访问我们网站： http://www.sigma-aldrich.com/selectopho