Whatman Grade 589/1 Quantitative Filter Paper Ashless (Ash 0.01%), circle, 185 mm

Code: fil7310 D2-273

Hardened Low ash, Quantitative, typical ash 0.015%

180µm thickness, medium to fast flow,0.01% typical ash content, 4-12µm nominal retention.

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$117.45 PK100

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	Grade	Nominal Particle Retention in Liquid, µm	Filtration Speed (approx) Herzberg, s	Typical Thickness, µm	Basis Weight, g/m2	Ash Content, %	Flow - Aspect
Ashless - for general quantitative analysis	40	8	340	210	95	0.007	Medium
	41	20	54	220	85		Fast
	42	2.5	1870	200	100		Slow
	43	16	155	220	95		Medium to fast
	44	3	995	180	80		Slow to medium
	589/1	12-25	25	190	80	0.01	Fast
	589/2	4-12	70	190	85		Medium to fast
	589/3	<2	750	150	84		Slow
	50	2.7	2685	115	97	0.015	Slow
	52	7	235	175	101		Medium
	54	22	39	185	92		Fast
	540	8	200	115	88	0.006	Medium
	541	22	34	175	82		Fast
	542	2.7	2510	185	93		Slow

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FIL7302

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FIL7304

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