6个漏斗的首选尺寸，适用于欧洲目前可用的8种尺寸的滤纸（55 mm至240 mm）。漏斗适用于0°C至60°C之间的水溶液，但不适用于对非水液体的腐蚀。灵活性和离子可萃取性的规定限制。交叉引用:BS 2690:第9BS 3502BS 3978部分

6 preferred sizes of funnel suitable for the 8 sizes of filter paper (55 mm to 240 mm) currently available in Europe. The funnels are for use with aqueous solutions between 0°C and 60°C but not for corrosive on non-aqueous liquids. Limits specified for flexibility and ionic extractables.Cross References:BS 2690:Part 9BS 3502BS 3978