Pho t onAssa y gr ea tly simplifes analysis compar ed t o con v en tional chemical appr oaches Measur emen t accur ac y is compar able t o or be t t er than tha t achie v ed using fr e assa y f or most ma t erials Comparison t o Fir e Assa y T r aditional fr e assa y is a comple x and laborious pr ocess Ext ensiv e sample pr epar a tion is r equir ed and e xperienced t echnicians ar e needed t o carry out the st eps o f fusion parting cupella tion and analysis Pho t onAssa y o f er s an alt erna tiv e appr oach Sample ma t erial is loaded dir ec tly in t o bar coded plastic con t ainer s and placed on t o an input con v e y or Fr om then on the en tir e analysis pr ocess is fully aut oma t ed Fir e assa y gener a t es signifcan t quan tities o f leadcon t amina t ed w ast e which r equir es car e ful disposal and health monit oring o f labor a t ory per sonnel In con tr ast Pho t onAssa y gener a t es no w ast e The plastic samples jar s can be fully r ec y cled once the y ar e no longer r equir ed P erf ormance specifca tions Assa y ed elemen t s Gold Silv er and copper fr om mid 2 018 Please enquir e about o ther s Sample siz e Con t ainer s hold 330 mL o f sample typically 400650 g depending on ma t erial density Analysis time L ess than 2 minut es Gold de t ec tion L imit 0 0 3 part sper million 3sigma De t ec tion limit is lar ger f or samples con t aining ele v a t ed le v els o f U Th or Ba Gold measur emen t pr ecision 7 8 r ela tiv e a t 0 3 ppm 4 0 r ela tiv e a t 1 0 ppm 1 5 r ela tiv e a t gr ades 10 ppm All r esult s quo t ed a t 1 st andar d de via tion Ele v a t ed U Th or Ba le v els r educe pr ecision Disposal Samples ar e r e t ained inside unit f or 2 hour s post analysis a ft er which time the y can be sa f ely handled or discar ded R eanalysis Assa y is comple t ely nondestruc tiv e so ma t erials ma y be sen t f or additional measur emen t s if r equir ed A ut oma t ed analysis minimises labour r equir emen t s L ar ge v olume samples with r educed pr epar a tion