---
product_id: 19577514
title: "Whatman 1001-125 Qualitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 125mm Diameter (Pack of 100)"
brand: "whatman"
price: "$65.38"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/19577514-whatman-1001-125-qualitative-filter-paper-circles-11-micron-10
store_origin: US
region: United States of America
---

# 10.5 s/100mL/sq inch Flow Rate 125mm Diameter 11 Micron Precision Whatman 1001-125 Qualitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 125mm Diameter (Pack of 100)

**Brand:** whatman
**Price:** $65.38
**Availability:** ✅ In Stock

## Summary

> 🔍 Elevate Your Lab Game with Whatman Filter Paper!

## Quick Answers

- **What is this?** Whatman 1001-125 Qualitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 125mm Diameter (Pack of 100) by whatman
- **How much does it cost?** $65.38 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/19577514-whatman-1001-125-qualitative-filter-paper-circles-11-micron-10)

## Best For

- whatman enthusiasts

## Why This Product

- Trusted whatman brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **High Flow Rate:** Efficiently clarifies liquids with a rapid flow, saving you valuable time.
- • **Bulk Pack Value:** Comes in a pack of 100, ensuring you’re always prepared for your next experiment.
- • **Grade 1 Quality:** Ensures reliable and consistent results in qualitative analysis.
- • **Educational Tool:** Ideal for teaching fundamental analytical techniques in academic settings.
- • **Versatile Laboratory Essential:** Perfect for a variety of applications, from food testing to air quality monitoring.

## Overview

Whatman 1001-125 Qualitative Filter Paper Circles are 125mm in diameter with an 11-micron pore size, designed for a wide range of laboratory applications. With a flow rate of 10.5 seconds per 100mL per square inch, these Grade 1 filter papers are perfect for clarifying liquids and are widely used in educational settings for qualitative analytical separations.

## Description

This Whatman 12.5cm, grade 1, cellulose filter paper is the most widely used filter paper for routine applications with medium retention (11µm) and flow rate. Traditionally, this grade is used in qualitative analytical separations for precipitates such as lead sulfate, calcium oxalate (hot), and calcium carbonate. In agriculture, it is used for soil analysis and seed testing procedures. It is also used for numerous routine techniques in the food industry to separate solid foodstuffs from associated liquid or extracting liquid; and is widely used in education for teaching simple qualitative analytical separations. In air pollution monitoring, using circles or rolls, atmospheric dust is collected from airflow and the stain-intensity is measured photometrically. For gas detection, the paper is impregnated with a chromogenic reagent and color formation is quantified by optical reflectance. Retention: 11µm. Diameter: 12.5cm. 100/Pack. Whatman #: 1001-125.

## Features

- 12.5cm
- Grade 1
- Covers a wide range of laboratory applications; frequently used for clarifying liquids
- Areas of use include the food industry, agriculture, air pollution monitoring, and gas detection
- Widely used in education for teaching simple qualitative analytical separations

## Product Details

- **Brand:** Whatman
- **Material:** Cellulose
- **Sheet Size:** 4.92 inches
- **Shape:** Round
- **Paper Finish:** Uncoated

## Images

![Whatman 1001-125 Qualitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 125mm Diameter (Pack of 100) - Image 1](https://m.media-amazon.com/images/I/612Nq1-V77L.jpg)

## Frequently Bought Together

- Whatman 1001-125 Qualitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 125mm Diameter (Pack of 100)
- EISCO Buchner Funnel, 13cm I.D. - Polypropylene, 2 Parts - Designed for 11-12.5cm Filter Paper
- 9 Count Filter Adapter Cones Set, Buchner Funnel Flask Adapter Set, Tapered Collar

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-20*