---
product_id: 118093438
title: "1001-325 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 25mm Diameter (Pack of 100)"
brand: "whatman"
price: "$7"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/118093438-1001-325-quantitative-filter-paper-circles-11-micron-10-5
store_origin: MX
region: Mexico
---

# 25mm diameter circles 11 micron precision filtration 10.5 s/100mL/sq inch flow rate 1001-325 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 25mm Diameter (Pack of 100)

**Brand:** whatman
**Price:** $7
**Availability:** ✅ In Stock

## Summary

> 🔬 Elevate your lab game with precision you can trust!

## Quick Answers

- **What is this?** 1001-325 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 25mm Diameter (Pack of 100) by whatman
- **How much does it cost?** $7 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/118093438-1001-325-quantitative-filter-paper-circles-11-micron-10-5)

## 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

- • **Optimized Flow Rate:** 10.5 seconds per 100mL per sq inch for efficient processing
- • **Pack of 100 Circles:** Bulk supply to keep your workflow uninterrupted and cost-effective
- • **Perfect 25mm Diameter:** Ideal size for versatile lab and educational applications
- • **Trusted Grade 1 Quality:** Reliable performance across food, agriculture, and environmental testing
- • **Ultra-Fine 11 Micron Filtration:** Ensures crystal-clear liquid clarity for precise lab results

## Overview

Whatman Grade 1 quantitative filter paper circles offer 11 micron filtration with a 10.5 s/100mL/sq inch flow rate and 25mm diameter, making them essential for accurate liquid clarification in food, agriculture, air pollution, and educational labs. Pack of 100 ensures consistent, high-quality performance for professional and academic use.

## Description

This Whatman 2.5cm, 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: 2.5cm. 100/Pack. Whatman #: 1001-325.

## Features

- 2.5cm
- 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Whatman |
| Part number | 1001-325 |
| Item Weight | 4.54 g |
| Product Dimensions | 7.62 x 5.08 x 2.54 cm; 4.54 g |
| Item model number | F1000-04 |
| Material | Misc |
| Item Package Quantity | 1 |
| Batteries Required? | No |

## Images

![1001-325 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 25mm Diameter (Pack of 100) - Image 1](https://m.media-amazon.com/images/I/612Nq1-V77L.jpg)

## Frequently Bought Together

- Whatman 1001-325 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 25mm Diameter (Pack of 100)
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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-05*