Accurate measurement of Argon isotopes is the premise of Ar-Ar dating with high precision. Two main kinds of instruments for Ar isotope measurement are Single-collector and Multi-collector Mass Spectrometers. among which the Multi-collector Noble Gas Mass Spectrometer can produce data with better accuracy and reproducibility. Some main factors affecting the accuracy and reproducibilit... https://parisnaturalfoodes.shop/product-category/complete-b-100-mg-timed-rel/