BeScan Lab

What BeScan Lab Provides? 

 

• lnstability index (l_us)
• Mean particle size
• Hydrodynamic analysis
• Radar chart for regional l_us
• Temperature trend testing
• Particle migration rate

 

Why You Need It? 

 

From Raw Materials to Finish

BeScan Lab plays a crucial role throughout the product lifecycle, supporting formulation, production, and pre-use stages. It enables formulation optimization, quality control during manufacturing, investigation into optimal transportation and storage conditions, and research on redispersibility

 

1. Research and development

Ensure excellent dispersibility and uniformity through raw material selection.

 

2. Production and quality control

Optimize production processes, including method, time, and temperature, to enhance efficiency.

 

3. Storage and transportation

Evaluate formulation stability under varying environmental conditions, observing destabilization, and predict shelf life.

 

4. Pre-use treatment

Study the reversibility of destabilization and compliance with usage standards.

 

Features & Benefits

Non-destructive stability analysis for various dispersions

• Non-contact, non-dilution, non-shearing 
• Sample volume fraction up to 95%
• Particle size measurement range from 0.01 to 1,000 μm

 

Fast and direct stability measurement

• The high-performance LED and ultra-sensitive detectors, with a 20-micron scan step, allow realtime monitoring and capture of subtle variations 200 times faster than the naked eye
• Temperature control up to 80 °C to accelerate destabilization

 

Qualitative and quantitative stability results

• Identification of various unstable phenomena, such as creaming, sedimentation, flocculation, coalescence, and phase separation
• Quantification of destabilizations and study of kinetics

Advanced Measurement Principle 

 

Static Multiple Light Scattering (SMLS) is employed to characterize the stability of dispersions. Within BeScan Lab, a setup comprising two detectors and an LED light source ascends along the sample cell to conduct sample scanning. In the case of concentrated samples, the backward detector is employed to detect backscattered signals, while for diluted samples, the forward detector is utilized to detect transmitted signals.

 

Applications 

 

Petrochemicals, Pharmaceuticals, Agrochemicals, Food & Beverages, Chemicals, Paints, Inks & Coatings, Ceramics, Battery & Energy

 

Static Multiple Light Scattering  

Static Multiple Light Scattering (SMLS) is an optical technique used to directly characterize native concentrated liquid dispersions. This technique emits light into the sample, where it is scattered multiple times by particles or droplets before being detected.

 

BeScan Lab applies SMLS using an 850 nm LED as light source, with detectors set at 0° for capturing transmitted light and at 135° for backscattered light. This setup scans the sample vertically, analyzing the transmitted light for transparent systems, while the backscattered light is ideal for opaque systems.

 

The signals are collected at 20 μm intervals, which enables precise observation of changes in size (d) and concentration (Φ) of suspended materials.

 

Signal display

Customized scanning procedures allow presentation of scans with different colors corresponding to different scanning times. The overlap of scans demonstrates how signals diverge from the reference as they vary with height and time. Intuitively, the scans capture local changes that characterize unstable phenomena.

The example illustrates that during sedimentation, the backscattered signals (dBS) undergo a distinctive pattern of change: a decrease at the top and an increase at the bottom, which is attributed to the migration of particles.

 

Features

• Versatile measurement

No limitations on color or viscosity, and suitable for a wide range of samples from low to high concentrations (up to 95% v/v).

 

• Non-destructive and in situ 

Measures without preparation, thus preserving the sample's original characteristics.

 

• Wide particle size range

Capable of measuring particles from 0.01 to 1,000 μm.

 

• Applicable to various systems

Suitable for emulsions, suspensions, foams, and other dispersions, providing robust and high-resolution measurements.

 

 

 

 

 

 

 

 

 

 

Simple and Intuitive Software 

With our powerful software, the BeScan Lab Stability Analyzer enables rapid and highly sensitive testing, facilitating the characterization of unstable phenomena.

 

Qualitative analysis:

 

Quantitative analysis:

 

♦ Instability index (I_US)

The stability can be quantitatively analyzed using I_US, which is determined by integrating the variations in the sample.

♦ Radar chart

Global and local instability indices for each scanning are illustrated in form of a radar chart, intuitively providing a way to investigate local stability (top, middle, and bottom).

♦ Temperature trend testing

Temperature trend testing enables stability analysis over different temperatures. Temperature is a critical factor that affects system stability. It is of vital importance to find out the change point.

♦ Peak thickness analysis

Scatter plot of peak thickness demonstrates how fast the particles settle or float upward. Besides, the mean particle size based on gravitational liquid sedimentation can be obtained.

 

 

Parameters	Values
Measurement principle	SMLS (Static Multiple Light Scattering)
Detection angle	0° transmission and 135° backscattering
Light source	850 nm LED
Scan step	20 μm
Maximum volume fraction	95%
Measurement range of particle size	0.01 - 1000 μm
Temperature range	RT - 80 ℃ (±0.5 ℃ )
Sample volume	4 - 25 mL
Measurement mode	Regular/Fixed point/Temp. trend
Dimension	460(L) x 260(W) x 280(H) mm
Weight	13.5 kg
Power	AC100 - 240 V, 50 - 60 Hz, 3.8 A
ISO compliance	ISO/TR 18811:2018, ISO/TR 13097:2013 ISO/TR 21357:2022, ISO/TS 22107:2021

 * Sample and sample preparation dependent