VGKL Laboratory Catalogue Issue 15


Main -> Separating systems -> Filtration -> Filter papers

Ashless Round Filter Papers for Quantitative Analysis, Hahnemühle

Ashless filters (aprox. 0.004%), recommended for quantitative analysis and routine gravimetric tests.

Made of super-refined cotton linters and cellulose; acid-washed
α-cellulose content above 95%
For analytical applications, routine quantitative and /or gravimetric procedures
Perfectly qualified for food controls according LFBG § 64 para. 1 and 2, beverage analyses and environmental monitoring
The traditional colour code enables easy differentiation of the sorts

Technical specifications:
Grade	Properties	Filtration Herzberg s	Retention of particles µm	Weight g/m2	Thickness mm
FP589/1 - black	Fast	50	12 – 252)	79	0.19
FP589/2 - white	Medium	140	4 – 122)	85	0.18
FP589/5 - red	Medium	450	2 – 42)	84	0.17
FP589/3 - blue	Slow	7501)	<22)	84	0.16

	Ø mm	PU pc/Pack	FP 589/1 - black		FP 589/2 - white		FP 589/3 - blue		FP 589/5 - red
	Ø mm	PU pc/Pack	Order No.		Order No.		Order No.		Order No.
	12.7	1000			10 15 90125
	40.5	100			10 15 90405
	55	100	10 15 91055		10 15 92055				10 15 95055
	70	100	10 15 91070		10 15 92070		10 15 93070
	90	100	10 15 91090		10 15 92090		10 15 93090		10 15 95090
	110	100	10 15 91110		10 15 92110		10 15 93110		10 15 95110
	125	100	10 15 91125		10 15 92125		10 15 93125		10 15 95125
	150	100	10 15 91150		10 15 92150		10 15 93150		10 15 95150
	185	100	10 15 91185		10 15 92185		10 15 93185		10 15 95185

1) Measured with 100 mm water column instead of 50 mm
2) Approximate values

Other sizes on request.