فروش مواد شیمیائی مرک آلمان
for the temperature calibration of DSC instruments
traceable to NIST and PTB N
100007 HP-53 Liquid ... for the temperature calibration of DSC instruments
traceable to NIST and PTB SmA
100008 M-24 Liquid ... for the temperature calibration of DSC instruments
traceable to NIST and PTB SmA
100010 Acetanilide ... GR for analysis (protective gas: nitrogen)
100126 L-As
partic acid for biochemistry
100128 Aurin tricarboxylic ...