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Petrol Rafineries

Reliable filter media are essential for the significance of your laboratory’s testing and to ensure continuous manufacturing processes and to ensure that your products meet defined specifications and requirements.

 

Target User:

  • QC departments of chemical industries
  • Independent control institutes and governmental control labs

 

Typical features of the filter papers:
The high consistency of the quality level assures reliable results of the analysis from one lot to the other over many years.

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OBJECTIVE

TECHNIQUE

TYPE of FILTER

PART NUMBER-GRADE

Gravimetric analysis

Filtration (Funnel/Büchner)

Filter paper quantitative analysis

589/1   589/2

589/3   589/4

589/5   589/6

Hardened filter paper for quantitative analysis

1505, 1506, 1507

Solid-liquid separation

Folded filter paper for general use

Smooth

Crained

Creped

0860

0858

0905

Filter paper qualitative analysis,

low ash

591

Extraction of organic compounds

Extraction with Soxhlet

Cellulose extraction thimbles

900

Determination of solids in suspensions

Filtration (Funnel/Büchner)

Glass microfibre filters

GF 52

Surface protection

Absorption of liquids

Absorbent paper with Polyethylene coating

295 PE

Determination of particles

 > 0,8 µm

Filtration, difference

in weight

Non-sterile cellulose nitrate membranes, 0.8 mm, white

NC 080 47 BL

Determination of particles

 > 0,45 µm

Non-sterile cellulose nitrate membranes, 0.45 mm, white

NC 045 47 BL

Monitoring of soot in oil (OCM)

Dispersancy of the oil on absorptive paper

Absorptive, dense paper

602h

Determination of particles

 > 0,45 µm

Polycarbonate membranes, 0.45 mm, highly resistant against carbohydrates and solvents

PC 045 47 TL

LARGE SCALE

TYPE of FILTER 

GRADE

Clarification and Purification

Fast, creped, for coarse particles

3144L, 2410

Medium, creped, for small particles

610

Fast, for coarse particles

1450nf, 2208

Medium, for small particles

22, 2589c

Slow, for small particles

23, 2589d

Removal of particles from used oils

Very fast, wet strength

3144L

1450nf