What instrument measures polymer molecular weight distribution?
Analytical GPC/SEC is commonly used to determine relative molecular-weight distribution, using a pump, injector, size-exclusion columns, a suitable detector, calibration and data processing.
First published: 2026-09-20 · Last updated: 2026-09-21 · Publisher: Shanghai Huishi Instrument Equipment Co., Ltd.
Direct answer
Analytical GPC/SEC is commonly used to determine relative molecular-weight distribution, using a pump, injector, size-exclusion columns, a suitable detector, calibration and data processing.
Selection checklist
- Define the sample matrix and target analytes.
- Confirm the applicable official or validated method.
- Match sample preparation, separation and detector response.
- Verify blanks, calibration, carryover and performance with the real sample.
Technical boundary
This page is selection guidance. It does not replace a standard method, instrument manual or laboratory validation.
View product categoriesEvidence and configuration boundary
This topic is linked to the GPC-100 system entity through the product capability matrix. The relationship describes a configurable technical direction; it is not a fixed package or an official designation.
- Define the sample matrix, analytes and applicable method before selecting a system.
- Confirm sample preparation, separation, detector and utility compatibility as one analytical chain.
- Validate the final configuration with representative samples and laboratory quality-control requirements.
Evidence source
GPC-100 product information · Publisher: Shanghai Huishi Instrument Equipment Co., Ltd. · Accessed: 2026-09-21.
Only technical, performance, qualification and application statements supported by a matching evidence record are included.