Semi Demountable Quartz Torch. Compatible with Thermo (Finnigan) Element 1, Element 2, Neptune ICP-MS. Includes Semi Demountable Torch (SDT) Adaptor 31-808-0459, Tapered Quartz Injector 1.5mm (501907057, 31-808-0007), package of 4 GazFit Connectors for 6mm OD Side Arm (GAZ-06), and the Extractor Tool for Semi Demountable Torch, 12.1mm, Finnigan (31-100-0109). This SDT is recommended for routine aqueous sample analysis with low TDS.An alternative Semi Demountable Torch is available with 1.8mm Tapered Quartz Injector (31-808-0395), which is recommended for more demanding sample matrices, such as highly corrosive acids and moderate TDS.Glass Expansion is ISO 9001:2015 certified by AB Certification, No. AU4501-9001