---
product_id: 12623271
title: "- 1442-125 Ashless Quantitative Filter Paper, 12.5cm Diameter, 2.5 Micron, Grade 42 (Pack of 100)"
brand: "whatman"
price: "€ 123.60"
currency: EUR
in_stock: true
reviews_count: 3
category: "Whatman"
url: https://www.desertcart.it/products/12623271-1442-125-ashless-quantitative-filter-paper-12-5cm-diameter-2
store_origin: IT
region: Italy
---

# 12.5cm diameter precision 2.5µm ultra-fine retention 98% alpha cellulose purity - 1442-125 Ashless Quantitative Filter Paper, 12.5cm Diameter, 2.5 Micron, Grade 42 (Pack of 100)

**Brand:** whatman
**Price:** € 123.60
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** - 1442-125 Ashless Quantitative Filter Paper, 12.5cm Diameter, 2.5 Micron, Grade 42 (Pack of 100) by whatman
- **How much does it cost?** € 123.60 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/12623271-1442-125-ashless-quantitative-filter-paper-12-5cm-diameter-2)

## 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

- • **Ultra-Fine 2.5 Micron Retention:** Captures the smallest particles for critical gravimetric analysis
- • **Bulk Pack of 100 for Lab Efficiency:** Keeps your workflow uninterrupted with ample supply
- • **Trusted Industry Standard Since 2008:** Globally recognized for reliable, repeatable performance
- • **Ashless Purity with 98% Alpha Cellulose:** Minimizes contamination, perfect for sensitive lab work
- • **Precision Diameter for Consistent Results:** 12.5cm size ensures uniform filtration every time

## Overview

Whatman 1442-125 Ashless Quantitative Filter Paper offers a 12.5cm diameter and ultra-fine 2.5 micron retention, made from 98% alpha cellulose for ashless purity. This pack of 100 sheets is the global benchmark for critical gravimetric analysis, trusted by professionals for consistent, contamination-free filtration of analytical precipitates.

## Description

A world standard for critical gravimetric analysis with the finest particle retention of all Whatman cellulose filter papers. Typical analytical precipitates include barium sulphate, metastannic acid and finely precipitated calcium carbonate. Retention: 2.5µm. Diameter: 12.5cm. 100/Pack. Whatman #: 1442-125.

Review: consistent quality over years - I have been using these filters for years for a standard lab test - filtering the particles from a solution to weigh them. The quality is consistent and they perform as expected.
Review: Micron pore size was an important criteria and ashless. - This product worked fine. Used to filter homemade cocktail bitters.

## Features

- Diameter: 12.5cm
- Retention: 2.5µm
- A world standard for critical gravimetric analysis
- A Whatman cellulose filter is manufactured from high quality cotton linters treated to achieve a minimum alpha cellulose content of 98%
- Typical analytical precipitates include barium sulphate, metastannic acid and finely precipitated calcium carbonate

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00394FATK |
| Best Sellers Rank | #610,060 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #69 in Quantitative Lab Filter Paper |
| Date First Available | March 20, 2008 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 3.2 ounces |
| Item model number | F1241-6 |
| Manufacturer | Whatman |
| Product Dimensions | 5.2 x 5.2 x 1.3 inches |

## Images

![- 1442-125 Ashless Quantitative Filter Paper, 12.5cm Diameter, 2.5 Micron, Grade 42 (Pack of 100) - Image 1](https://m.media-amazon.com/images/I/61oANk7lDCL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ consistent quality over years
*by R***I on July 12, 2019*

I have been using these filters for years for a standard lab test - filtering the particles from a solution to weigh them. The quality is consistent and they perform as expected.

### ⭐⭐⭐⭐⭐ Micron pore size was an important criteria and ashless.
*by W***R on December 10, 2018*

This product worked fine. Used to filter homemade cocktail bitters.

### ⭐⭐⭐⭐⭐ all my clients like this so i recomend it
*by A***I on June 20, 2016*

i sell laboratory products , all my clients like this so i recomend it .

## Frequently Bought Together

- Whatman 1442-125 Ashless Quantitative Filter Paper, 12.5cm Diameter, 2.5 Micron, Grade 42 (Pack of 100)
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- KIMBERLY CLARK - TOWEL,KIMWPS,EX-L,WE

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-02-25*