Properties	Application	Technical datas
Ref. 111	Very fast filtering paper.	Used for coarse and voluminous precipitates like hydroxides and sulphides.	•Std. weight •Thickness	: 80 g/sqm : 0,17 mm	•Pore size •Filt. speed	: 20-25 µ : 10 sec
Ref. 112	Fast filtering paper.	Most commonly used grade for analytical works and sulphides malt analysis acc. to E.B.C.	•Std. weight •Thickness	: 80 g/sqm : 0,15 mm	•Pore size •Filt. speed	: 16 µ : 20 sec
Ref. 113	Medium filtering paper.	Used when the filtration speed is no important.	•Std. weight •Thickness	: 80 g/sqm : 0,14 mm	•Pore size •Filt. speed	: 8 µ : 50 sec
Ref. 114	Slow filtering paper.	Nickel, zinc and stannic sulphide calcium fluoride, calcium hydroxide.	•Std. weight •Thickness	: 80 g/sqm : 0,14 mm	•Pore size •Filt. speed	: 3 µ : 100 sec
Ref. 115	Very slow filtering paper.	Used for difficult and finely grained filtration such as barium sulphate, metastannic acid, cuprous oxide.	•Std. weight •Thickness	: 80 g/sqm : 0,15 mm	•Pore size •Filt. speed	: 2,5 µ : 180 sec

* Filt. speed according to DIN 53137

Special analysis qualitative filters

Ref. 132	Low fat content filter for natural substance analysis ie grease.
Ref. 143-144	Low phosphor content filter for determination of K and P in soil extracts.
Ref. 151 à 155	Highly wet strengthened filter for analysis of acid solution.

Plain discs	Ø 45 - 55 - 70 - 90 - 110 - 125 - 150 - 185 - 240 - 240 mm - Par Box de 100	Other sizes are available on request
Folded discs	Ø 70 - 90 - 110 - 125 - 150 - 185 - 210 - 240 - 270- 320 mm - Par Box de 100
Sheets	580 x 580 mm - 460 x 570 mm

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Tel: +33 2 38 43 22 63
Fax: +33 2 38 43 00 22
filtres.fioroni@wanadoo.fr