Whatman 1201-185 Qualitative Filter Papers, Grade 1V ,Fluted ,Package of 100
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Whatman 1201-185 Qualitative Filter Papers, Grade 1V ,Fluted ,Package of 100

Whatman 1201-185 Qualitative Filter Papers, Grade 1V ,Fluted ,Package of 100

Save $4.37
Authorized Whatman DistributorSKU: 1201-185
Price:
$42.36 $46.73

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Stock:
In stock

Description

Grade 1V, FF, circle, 18.5cm, 100/pk
Widely used for many general filtration applications. Whatman™ Grade 1V Qualitative Filter Papers, Fluted are the pleated, pre-folded version of Whatman filter paper 1, which is well suited for qualitative analysis in routine applications.Grade 1V is well suited for qualitative analysis in routine applications including: separations of lead sulfate, hot calcium oxalate and calcium carbonate; soil analysis; separating solids from liquids in food quality testing; and teaching simple qualitative analysis in classrooms.Nominal particle retention rating of 11μm supports general filtration.Intermediate filtration speed (Herzberg 150 s).Pre-folded filter for ease-of-use and time savings with conical filter funnels; avoids the need to quadrant-fold circles. Also, check out Advantec 49005020 Other Filters PAPER DISK 8MM 1000/PK 

Specifications

brand Whatman
diameter-mm 185
lead-time 5
list-price 46.73
manufacturer-part-number 1201-185
model 1201-185

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Frequently Asked Questions

Grade 1V is the pre-pleated (fluted) version of standard Whatman Grade 1 filter paper, offering the same ~11 µm particle retention but with faster filtration due to increased surface area. It is ideal when you need quicker flow rates without sacrificing filtration quality.

Fluted filter papers are designed for gravity filtration in conical funnels, where faster processing is needed. The pleated design improves flow speed and reduces clogging, making them perfect for routine lab filtration and high-throughput workflows.

Grade 1V is commonly used in:

General laboratory filtration
Soil and environmental analysis
Food and beverage testing
Educational and teaching labs

It is especially effective for separating medium-sized particles from liquids in routine qualitative analysis.

This filter paper provides an intermediate flow rate (Herzberg ~150 seconds), balancing speed and retention. This makes it a reliable choice for consistent, everyday filtration tasks where both efficiency and clarity are important.

Pre-folded (fluted) filters save preparation time and ensure consistent folding, eliminating the need for manual folding before use. This improves workflow efficiency and reduces variability, especially in busy lab environments or repetitive filtration processes.

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