Qualitative filter paper

Microlab Qualitative Filter paper is applicable to pharmaceutical, chemical plants producing all kinds of pharmaceutical and solvent filtration. the qualitative filter paper is chiefly used for qualitative chemical analysis and relevant filter separation, as well as manufacturing test paper of relevant purity. The good characterization of folded filter paper compared to the same type of filter paper formation has the advantage of speeding up the flow rate and increasing the load power.

Qualitative filter paper is a kind of filter paper used in laboratory analysis and testing, usually used to separate solid particles or mixtures of sediments and liquids. It has different pore sizes and adsorption properties, and different specifications and materials can be selected according to needs. Qualitative filter paper is commonly used in laboratory applications such as general qualitative analysis, qualitative chemical analysis, and qualitative separation.

product details

Product Feature

1.Made of 100%alpha cotton cellulose;Ash content 0.1%.

2.Stable from PH 0~12;thermostable up to 120℃.

3.Divided into fast, middle and slow speed.

4.Diameter ranges from 7cm-18cm, and sheet size 600mm *600mm.

5.Widely used in general laboratory filtration, liquid clarifications, analytical separations.air and water analysis, rough sample preparation.

Product Application

1.Widely used in general laboratory filtration

2.Liquid clarifications, analytical separations

3.air and water analysis

Rough sample preparation.

uses in the laboratory

1. Separate a mixture of solid particles or sediments and liquids: Qualitative filter paper can be used to separate solid particles or sediments from liquids to obtain pure liquid samples.

2. Filter the solution: In chemical experiments, qualitative filter paper can be used to filter the solution to remove solid impurities or sediments and obtain a clear solution.

3. Analyze samples: Qualitative filter paper can be used for general qualitative analysis and qualitative chemical analysis to help the laboratory perform preliminary processing and analysis of samples.

4. Separating mixtures: In the laboratory, qualitative filter paper is also often used to separate different components in a mixture to obtain a pure single substance.

Qualitative filter paper is widely used in laboratories and is an indispensable and important tool in laboratory analysis and testing.

Technical Specification

Weight	Speed	Retention(μm)	Filtration	Diameter(cm)	Asd Content(<%)
80g/m²(±4)	Fast	20~25	≤35	7,9,11,12.5,15,18	0.015
80g/m²(±4)	Middle	8~16	(contain)35-70	7,9,11,12.5,15,18	0.015
80g/m²(±4)	Slow	2~8	(contain)70-140	7,9,11,12.5,15,18	0.015

Order Information

Part No.	Diameter/Size (MM)	Speed	Package	Cross reference
QL0700F	70	Fast	100/pk	Grade:4, 114, 113
QL0900F	90
QL1100F	110
QL1250F	125
QL1500F	150
QL1800F	180
QL6600F	60*60
QL0700M	70	Middle	100/pk	Grade:1, 2, 3, 598, 591, 91, 93
QL0900M	90
QL1100M	110
QL1250M	125
QL1500M	150
QL1800M	180
QL6600M	60*60
QL0700S	70	Slow	100/pk	Grade:5, 6
QL0900S	90
QL1100S	110
QL1250S	125
QL1500S	150
QL1800S	180
QL6600S	60*60

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Qualitative filter paper

Product Feature

Product Application

uses in the laboratory

Technical Specification

Order Information

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