Description
The Gravimetric Sorption Analyzer accurately measures the adsorption and desorption behavior of samples by directly weighing mass changes in real time before and after adsorption, under controlled relative partial pressures. Using a high-precision microbalance, it offers superior accuracy compared to volumetric methods, eliminating common sources of error such as temperature-induced zone distribution and non-ideal gas corrections.This analyzer overcomes the limitations of volumetric methods by enabling real-time, isobaric adsorption rate measurement and providing precise data on adsorption kinetics, which are essential for understanding material behavior.The BSD Vacuum & Dynamic Gravimetric Vapor Sorption Analyzer enhances this functionality with high throughput capabilities, allowing for the simultaneous analysis of up to 8 samples. Its fully automated cyclic testing feature significantly boosts laboratory efficiency, reducing the need for repetitive tasks and freeing researchers to focus on more complex analyses.
Key Feature
Feature Icon
High Throughput
4 or 8 analysis positions; Simultaneous test;
Feature Icon
Automation
Automatic and Fast switch from activation to adsorption test
Feature Icon
Microbalance Resolution/Range
1ug/5000mg, 0.1ug/500mg optional
Feature Icon
Balance Auto Calibration
Automatic calibration before every test
Feature Icon
Auto Cyclic Test
Repeated test to learn material durabilty and lifetime evaluation
Feature Icon
Thermostatic Pipeline
~60℃ (optional 80℃), accuracy 0.1℃;
Feature Icon
Programmed heating
32-stage programmed heating to prevent pipeline contamination
Feature Icon
Blank position background Subtraction
Measure mass influence of background buoyancy for system subtraction calculation
Feature Icon
Multi sampels performance comparison
Multi sample simultaneous test under same environment
Specifications
Model BSD-VVS (Vacuum Static Method) BSD-DVS (Dynamic Method)
BSD-VVS&DVS (full-function version, vacuum static + dynamic)
Function Adsorption-desorption Isotherms
Isobaric adsorption kinetics ( adsorption rate) Analysis
Fully automatic adsorption cycle life evaluation
Analysis Positions 4 or 8 analysis positions;
Simultaneous analysis of multiple analysis positions in the same background environment
Microbalance Resolution/Range Industrial microbalance, 1ug/5000mg, 1ug/10000mg (0.1ug/500mg optional);
Organic Vapor yes yes
Non-Corrosive Gas yes yes
Corrosive gas no yes
Auto-Switch Furnace and Waterbath (Optional) Fully automatic switching between heating furnace and thermostatic water bath, Fast switch from activation to adsorption test
Auto Cyclic Test (Optional) Automatic cyclic test of repeated adsorption and desorption to learn material durabilty and lifetime evaluation
Adsorption chamber temperature Constant temperature bath, -5℃～150℃, accuracy ±0.1℃;
Thermostatic Pipeline ~60℃ (optional 80℃), accuracy 0.1℃;
Steam generation “Static Evaporation” Method Bubbling method
Humidity 0.1%～98% P/P0 2%～98% P/P0, lower P/P0 is optional
Reagent tube 120ml 120ml Reagent condensation recovery
Sample Activation Vacuum degassing, molecular pump high vacuum degassing function is recommended Atmospheric pressure purge degassing
Room temperature ~ 400℃, accuracy ±0.1℃; Room temperature ~ 300℃, accuracy ±0.1℃;
Programmed heating 32-stage programmed heating to prevent pipeline contamination ;
Visual Process UI Visual information of real-time sample weighting, accurately judge whether the sample is completely degassed;
Buoyancy correction Mode 1: Buoyancy calculation mode (default); Mode 2: Blank buoyancy background subtraction mode; Mode 3: Background subtraction curve mode;
Blank position background Subtraction Measure blank position to learn real influence of background buoyancy and for system subtraction calcuation;
Vapor removal Vacuum mechanical pump + steam pump; Programmed steam removal; Purging
Optional Molecular pump molecular pump, vacuum degree> E-6torr; /
Segmental pressure measurement Dual pressure sensor segment test; Capacitive film pressure sensor /
Pneumatic vacuum flapper valve Pneumatic vacuum flapper valve with zero heat generation /
Reviews
There are no reviews yet.