VWR®, Qualitative filter papers,FILTERPAPER QUALITATIVE 410, SLOW, 2 μM PARTICLE RETENTION, 90 MM 1 * 100 items

Name: VWR®, Qualitative filter papers,FILTERPAPER QUALITATIVE 410, SLOW, 2 μM PARTICLE RETENTION, 90 MM 1 * 100 items
Brand: VWR
SKU: VWRI516-0801
Price: 80.10 AED
Availability: InStock

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Description

Grade 402 and 302: General grade for qualitative tasks. Suitable for most sulphides. Determination of total fat content in dairy products.
Grade 403 and 313: Drugs, pharmaceuticals, liquors, tinctures, chromatography and protein-free filtrations in the clinical laboratory.

Grade 410 and 305: Filtration of copper(I) oxide, lead sulphate, barium sulphate, manganese carbonate and more for analytical work. Suitable for extremely difficult filtration and for clarification of wine.
Grade 413 and 303: For routine laboratory work, suitable for student requirements in general chemistry, also for filtration of aluminium phosphate, barium carbonate, lead chromate and more.

Grade 415 and 301: Coarse precipitates such as aluminium hydroxide, cobalt carbonate, mercury iodide, magnesium hydroxide and more.
Grade 417: Rapid filtrations where fine particle retention is not required.

Grade 307: For brewing industry. Embossed surface filter paper 70 g/m² for malt analysis in breweries (according to EBC standard).
Grade 600 and 310: Qualitative filter paper for use in routine laboratories, universities and hospitals. Made of 100% cellulose with no binder.

Grade 315: Gelatinous and coarse precipitates.

SPECIFICATIONS

Grade	401	402	403	410	413	415	417	600	301	302	303	305	307	310	313	315
Weight	84 g/m²	84 g/m²	87 g/m²	80 g/m²	73 g/m²	80 g/m²	110 g/m²	64 g/m²	84 g/m²	84 g/m²	73 g/m²	84 g/m²	70 g/m²	64 g/m²	87 g/m²	73 g/m²
Thickness	0,2 mm	0,17 mm	0,17 mm	0,15 mm	0,16 mm	0,16 mm	–	0,15 mm	0,2 mm	0,17 mm	0,16 mm	0,14 mm	–	0,15 mm	0,17 mm	0,17 mm
Particle retention	12 – 15 µm	8 – 12 µm	5 – 8 µm	2 – 3 µm	5 – 13 µm	12 – 15 µm	35 – 45 µm	13 µm	12 – 15 µm	8 – 12 µm	5 – 13 µm	2 – 3 µm	8 µm	13 µm	5 – 8 µm	17 – 30 µm
Max. pore size	50 µm	40 µm	30 µm	20 µm	45 µm	50 µm	–	60 µm	50 µm	40 µm	45 µm	20 µm	40 µm	60 µm	30 µm	70 µm
Min. pore size	31 µm	23 µm	15 µm	9 µm	20 µm	31 µm	–	25 µm	31 µm	23 µm	20 µm	9 µm	23 µm	25 µm	15 µm	40 µm
Filtration speed	40 s (Herzberg)	90 s (Herzberg)	250 – 300 s (Herzberg)	2500 s (Herzberg)	350 s (Herzberg)	8 s (DIN 53137)	11 s (DIN 53137)	200 – 250 s (Herzberg)	70 s (Herzberg)	150 s (Herzberg)	160 s (Herzberg)	2500 s (Herzberg)	520 s (Herzberg)	110 s (Herzberg)	500 s (Herzberg)	60 s (Herzberg)
Wet burst strength	2 psi	2,5 psi	0,5 psi	1 psi	9 psi	0,8 psi	15 psi	6,5 psi	2 psi	2,5 psi	9 psi	3,5 psi	–	6,5 psi	0,5 psi	6,5 psi
Dry burst strength	11 psi	17 psi	12,5 psi	22 psi	28 psi	8,5 psi	35 psi	19 psi	11 psi	17 psi	28 psi	18 psi	–	19 psi	12,5 psi	17,5 psi

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