DataandorderinginformationREF931227TypephotometrictestkitRange0.1–2.0mg/lF–Sufficientfor150determinati***Shelflifeatleast1.5yearsSeawatersuitabilityyes,afterdistillationDetectablewithPF-12yes德国MN氟化物测***Fluoride/931227ThetestisdeliveredwithoutcolorscaleandcanbeevaluatedonlywiththephotometersPF-12!Normally,thecontentoffluorideinsurfaceandgroundwaterislowerthan1mg/l.Permanentc***umptionofwatercontainingmorethan2mg/lfluoridecancauseadrinkingwaterfluorese(astaineddiscolourationofthetoothenamel).Ontheotherhandacontentoffluoridelowerthan0.5mg/lcouldleadtoanincreasingriskofcaries.Theoptimalcontentoffluorideindrinkingwaterisabout1mg/l.To***oidproblemswithcariesinsomecountriesthecontentoffluorideindrinkingwaterisartificiallyincreased.However,WHOandECdrinkingwaterregulati***recommendathresholdvalueof1.5mg/lF–.InsomeEuropeancountries,thethresholdvalueformineralwaterisalso1.5mg/lF–.Forthesuitabilityofwaterforthepreparationofbabyfoodathresholdvalueof0.7mg/lF–isrecommended.Naturalmineralwaterswithafluoridecontentofmorethan5mg/lmustbelabelledwithawarning.)