Actes du deuxième colloque international de l'association Verre et Histoire, Nancy, 26-28 mars 2009

Marco Verità, Laboratorio di Analisi dei Materiali Antichi LAMA, Università IUAV di Venezia, Venezia (Italy)

Venetian innovations in glassmaking and their influence on the European glass history


Annex: Table 1

SiO2 Al2O3 Na2O K2O CaO MgO P2O5 Chlor. TiO2 Fe2O3 MnO PbO SnO2
Common
58
mean65,41,6512,82,9110,493,570,300,720,080,751,040,130,12
std dev1,40,331,20,750,980,460,060,110,040,150,530,070,15
min62,50,8810,51,956,702,500,220,450,030,350,1000
max69,52,6215,85,5012,504,500,551,000,281,082,750,250,15
 
Vitrum
Blanchum
32
mean66,91,0313,62,979,763,350,310,860,050,370,47
std dev1,70,371,41,201,180,730,120,120,020,080,20
min63,80,6611,01,458,051,150,500,600,020,220,21
max71,11,9517,37,5012,305,000,861,250,090,570,95
 
Cristallo
15
mean70,50,6817,22,934,881,810,151,000,030,240,32
std dev1,30,141,50,410,690,380,040,110,010,050,14
min68,50,4814,72,453,901,100,090,750,020,150,15
max73,00,9019,23,656,302,350,251,200,050,320,68

Table 1. Average quantitative chemical composition, standard deviation and minimum and maximum values of the analyses of the three type of glass.