ISO 5379:1983 淀粉及其制品.二氧化硫含量的测定.酸量滴定法和浊度测定法

标准编号：ISO 5379:1983

中文名称：淀粉及其制品.二氧化硫含量的测定.酸量滴定法和浊度测定法

英文名称：Starches and derived products — Determination of sulfur dioxide content — Acidimetric method and nephelometric method

发布日期：1983-08

标准范围

将从酸化和加热产品中提取的气体卷入氮气流中，并通过中性过氧化氢的稀释溶液鼓泡固定和氧化气体。在含量较低的情况下，用浊度测定的标准体积氢氧化钠溶液滴定硫酸。

Entrainment in a current of nitrogen of the gas extracted from the acidified and heated product, and fixing and oxidation of the gas by bubbling through a dilute solution of neutral hydrogen peroxid. Titration of the sulphuric acid formed with standard volumetric sodium hydroxide solution of nephelometric determination in the case of low contents.

标准预览图