Sample Preparation

Sample preparation is a critical step in analytical processes, ensuring that materials are uniformly reduced in size and homogenized for accurate and reproducible test results. Various machines are used in sample preparation, each tailored to specific material properties and sample requirements. Jaw crushers are ideal for coarse, primary reduction of hard materials, breaking down large chunks into manageable sizes. Cutting mills provide rapid size reduction of softer or fibrous materials by shearing the sample with sharp blades.

For finer milling needs, ball mills are used, which grind samples through a combination of impact and friction, making them suitable for brittle and hard materials that need ultra-fine granularity. Disc mills, known for their consistent particle size output, are commonly used for medium to fine grinding of materials, creating a homogeneous sample ready for downstream analysis. By carefully selecting the appropriate equipment, laboratories can ensure sample consistency and reliability, crucial for accurate analytical results.

LMLW320 Lab Wizz 320 Micro Ball Mill


Laboratory micro ball mill for homogenizing and milling various types of materials.

  • Feed size*: < 50 ml
  • End-fineness*: ≤ 5 µm*

Product Overview

LMPBM1000 Planetary Ball Mill


Planetary ball mill for grinding and milling with up to 4 × 500 ml grinding jar positions.

  • Grinding jar positions: 1–4
  • Feed size*: ≤ 10 mm
  • End-fineness*: ≤ 1 µm*

Product Overview

LMPBM4000 Planetary Ball Mill


Largest planetary ball mill with up to 8 × 500 ml grinding jar positions.

  • Grinding jar positions: 4–8
  • Feed size*: ≤ 10 mm
  • End-fineness*: ≤ 1 µm*

Product Overview

LMBRM Ball and Rod Mill


The LM-BRM is suitable for normal and Bond grinding. Different drum sizes can be fitted due to the changeable opening.

  • Drum volume: 1, 6, 12, 21 or 42 L
  • Speed setting: 10–70 rpm

Product Overview

LMBM Ball Mill


Process and laboratory ball mill for milling and homogenizing soft, fibrous, hard and brittle materials in dry and wet conditions.

  • Drum volume: 150–450 L
  • Speed setting: 7–33 rpm

Product Overview

LMCBM Continuous Ball Mill


The continuous ball mill is a type of grinder used to grind and blend materials.

  • Drum volume: 500 L
  • Speed setting: 9–46 rpm

Product Overview

CM100 Cutting Mill


Small to medium-sized cutting mill for rapid size reduction.

  • Number of rotor knives: 3
  • Number of stator knives: 4
  • End-fineness*: < 2.0 mm

Product Overview

CM500 Cutting Mill


Medium-sized cutting mill for rapid size reduction.

  • Number of rotor knives: 9
  • Number of stator knives: 2
  • End-fineness*: < 2.0 mm

Product Overview

CM1000 Cutting Mill


Medium-sized cutting mill for rapid size reduction.

  • Number of rotor knives: 3
  • Number of stator knives: 2
  • End-fineness*: < 2.0 mm

Product Overview

CM2500 Cutting Mill


Large-sized cutting mill for rapid size reduction.

  • Number of rotor knives: 12
  • Number of stator knives: 2
  • End-fineness*: < 2.0 mm

Product Overview

CM4000 Cutting Mill


Largest-sized cutting mill for rapid size reduction.

  • Number of rotor knives: 18
  • Number of stator knives: 2
  • End-fineness*: < 2.0 mm

Product Overview

LMC50 Jaw Crusher


Compact jaw crusher designed for laboratory placement.

  • Throughput*: 50 kg/h
  • Feed size*: < 40 mm
  • End-fineness*: < 1.5 mm

Product Overview

LMC100D Jaw Crusher


Powerful standard-sized jaw crusher.

  • Throughput*: 250 kg/h
  • Feed size*: < 120 × 90 mm
  • End-fineness*: < 2.0 mm

Product Overview

LMC200D Jaw Crusher


Jaw crusher with larger grinding chamber and collector for higher throughput.

  • Throughput*: 1,000 kg/h
  • Feed size*: < 215 × 90 mm
  • End-fineness*: < 4.0 mm

Product Overview

LMFC250 Fine Crusher


Powerful fine crusher with a low end-fineness for laboratory crushing.

  • Throughput*: 500 kg/h
  • Feed size*: ≤ 110 mm
  • End-fineness*: < 1.6 mm

Product Overview

LMC400 Jaw Crusher


Large jaw crusher for high throughput and large feed size.

  • Throughput*: 3,500 kg/h
  • Feed size*: < 350 × 170 mm
  • End-fineness*: < 6.0 mm

Product Overview

LMC500 Jaw Crusher


Largest jaw crusher for maximum throughput and feed size.

  • Throughput*: 15,000 kg/h
  • Feed size*: < 250 mm
  • End-fineness*: < 12.0 mm

Product Overview

LMRC100 Roll Crusher


Compact roll crusher for controlled size reduction of materials.

  • Feed size*: 30 mm
  • End-fineness*: < 1 mm

Product Overview

LMRC200 Roll Crusher


Roll crusher designed for repeatable, uniform crushing with consistent output.

  • Feed size*: 30 mm
  • End-fineness*: < 1 mm

Product Overview

LMDM200 Disc Mill


The LM-DM200 Disc Mill is designed for fine grinding of soft to hard ores, alloys, rocks, ceramics, soils and similar materials.

  • Feed size*: 20 mm
  • End fineness*: < 100 µm
  • Throughput*: 150 kg/h

Product Overview

LMMG100 Mortar Grinder


Mortar grinder for processing solid materials in dry, wet or cryogenic conditions.

  • Feed size*: 8–10 mm
  • End fineness*: 10–20 µm
  • Speed: 50–130 rpm adjustable

Product Overview

LMUCM100 Ultra Centrifugal Mill


High-speed grinding machine to process soft to medium-hard materials using centrifugal force to reduce particles to fine powders.

  • Feed size*: 10 mm
  • End fineness*: < 40 µm
  • Rotors: 6 / 12 / 24 teeth

Product Overview

LM250 Pulveriser Ring Mill


Compact and efficient ring mill designed for fast and reliable pulverising of small sample volumes.

  • Throughput*: 20 cc – 300 cc
  • Feed size*: < 25 mm
  • End-fineness*: < 75 µm

Product Overview

LM1000 Pulveriser Ring Mill


Ring mill for fast pulverising and consistent end-fineness for larger sample volumes.

  • Throughput*: 20 cc – 1000 cc
  • Feed size*: < 25 mm
  • End-fineness*: < 75 µm

Product Overview

LM2000 Pulveriser Ring Mill


High-capacity ring mill for fast pulverising of larger sample volumes.

  • Throughput*: 20 cc – 2000 cc
  • Feed size*: < 25 mm
  • End-fineness*: < 75 µm

Product Overview

LM5000 Pulveriser Ring Mill


High-capacity ring mill for large-scale pulverising with consistent results.

  • Throughput*: 5000 cc
  • Feed size*: < 25 mm
  • End-fineness*: < 75 µm

Product Overview

LMHAD 2500 Drying Oven


Compact drying oven, ideal for small-scale operations or delicate materials that require precise drying conditions.

  • Internal volume: 2.5 m³
  • Number of trolleys: 1 × 6 shelves

Product Overview

LMHAD 5000 Drying Oven


Medium-sized drying oven, providing versatility for larger batches while maintaining consistent temperature control.

  • Internal volume: 5.0 m³
  • Number of trolleys: 2 × 6 shelves

Product Overview

LMHAD 10000 Drying Oven


Large drying oven designed to handle high-volume drying tasks for industrial-scale production.

  • Internal volume: 10 m³
  • Number of trolleys: 4 × 6 shelves

Product Overview

Pressure Filter Table Mounted Version (PED)


Pressure filter with additional PED (Pressure Equipment Directive) adjustments.

Product Overview

Pressure Filter Table Mounted Version


Laboratory pressure filtration unit with proven design for rapid filtration and difficult separations.

Product Overview

LMPF Pressure Filter Double Spindle Version


High-performance pressure filter for separating solids from liquids.

Product Overview

Pressure Filter Floor Mounted Version


High-performance pressure filter designed for floor-mounted operation.

Product Overview

LMTP Pellet Press Motorized


Motorized hydraulic pellet press for frequent and reproducible preparation of small powder samples.

Product Overview

LMTP 1–15 Tons Pellet Press


High-performance pellet press for compressing powdered raw materials into solid, cylindrical pellets.

Product Overview

LMTP 1–25 Tons Pellet Press


High-performance pellet press for compressing powdered raw materials into solid, cylindrical pellets.

Product Overview

LMPP 40 Tons Pellet Press


High-power 40-ton pellet press operated with a detailed digital control panel.

Product Overview

LMSM 75/200 Sieve Shaker


Sieve shaker for separating and classifying samples using a stack of analytical test sieves.

  • Sieve support size: 200 mm diameter / 8 inch (203 mm)
  • Sieve stack: 9 sieves plus collector and lid

Product Overview

LMSM 300/450 Sieve Shaker


Large sieve shaker for separating and classifying samples using larger diameter test sieves.

  • Sieve support size: 300–450 mm
  • Sieve stack: 9 sieves plus collector and lid

Product Overview

LMAJ200 Air Jet Sieve Shaker


Air jet sieve shaker for reliable powder separation and particle size analysis.

  • Sieve support size: 200 mm diameter / 8 inch (203 mm)
  • Sieve stack: 9 sieves plus collector and lid

Product Overview

LMBR500 Bottle Roller


Compact laboratory bottle roller for mixing and milling.

  • Capacity: 1 standard-sized bottle
  • Speed setting: 30–280 rpm

Product Overview

LMBR2000 Bottle Roller


Large laboratory bottle roller for mixing and milling.

  • Capacity: 14 standard-sized bottles
  • Speed setting: 30–280 rpm

Product Overview

LMTM100 Tumbler Mixer


Three-dimensional motion mixer for homogenizing materials.

  • Collector volume: 2 L / 1 L / 0.5 L
  • Speed setting: 20–100 rpm

Product Overview

Fire Assay


Fire assaying is used to separate metals for determination of impurities and metal content in a sample.

Product Overview

Workbench


Work benches for general and specific use in assay and metallurgical laboratories.

Product Overview

*depending on feed material and instrument configuration / settings