فروش مواد شیمیائی مرک آلمان
dried (max. 0.005 % H2O) SeccoSolv®
100006 BCH-52
Liquid crystal standard for the temperature calibration ... traceable to NIST and PTB N
100007 HP-53
Liquid crystal standard for the temperature calibration ... traceable to NIST and PTB SmA
100008 M-24
Liquid crystal standard for the temperature calibration ... gas chromatography SupraSolv®
100020 Acetone for
liquid chromatography LiChrosolv®
100021 Acetone-D6 ...