GB/T 40998-2021
Determination of hydroxypropyl content in modified starch—Spectrophotometric method (English Version)

Standard No.

GB/T 40998-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 40998-2021

Scope

This document specifies a method for the determination of the hydroxypropyl content of modified starch by spectrophotometry. This document applies to modified starches containing hydroxypropyl groups.

GB/T 40998-2021 Referenced Document

• GB/T 601 Chemical reagent.Preparations of reference titration solutions
• GB/T 6682 Water for analytical laboratory use.Specification and test methods

GB/T 40998-2021 history

• 2021 GB/T 40998-2021 Determination of hydroxypropyl content in modified starch—Spectrophotometric method