NY/T 1205-2006
ActiveMethod for determination of water soluble protein in soybean
大豆水溶性蛋白含量的测定
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 3 方法原理 → 4 试剂 Foreword → 1 Scope → 2 Normative References → 3 Principle of Method → 4 Reagents
Scope
This standard specifies the method for determination of water soluble protein content in soybeans. This standard is applicable to the determination of water soluble protein content in soybeans.
本标准规定了大豆中水溶性蛋白含量的测定方法。本标准适用于大豆中水溶性蛋白含量的测定。
Normative References
Keywords
Application Summary AI generated
Soybean processors, quality inspection agencies, and researchers use this standard to measure the water soluble protein content in soybeans. It provides a unified technical basis for evaluating soybean quality, guiding processing, and facilitating trade. This standard ensures accuracy and comparability of test results, which is critical for quality control in the soybean industry.
大豆加工企业、质检机构和科研人员使用本标准来检测大豆中水溶性蛋白的含量。该标准为评估大豆品质、指导加工工艺和贸易提供统一的技术依据。它确保了检测结果的准确性和可比性，对大豆产业的质量控制至关重要。
AI Summary AI generated
NY/T 1205-2006 is an agricultural industry standard for the determination of water soluble protein content in soybeans. It specifies a method involving water extraction, sulfuric acid digestion, distillation, and titration to measure the protein content, applicable to soybean raw materials and products. The standard references GB 5491 for sampling and sample division, and details the required reagents and their preparation. It provides a unified technical specification for soybean quality evaluation and processing quality control.
NY/T 1205-2006是大豆水溶性蛋白含量测定的农业行业标准。该标准规定了用水提取、硫酸消化、蒸馏滴定等步骤测定大豆中水溶性蛋白含量的方法，适用于大豆原料及产品的检测。标准引用GB 5491作为扦样和分样依据，并详细列出了所需试剂及配制方法。该标准为大豆品质评价和加工质量控制提供了统一的技术规范。
Key Sentences extracted from text
本标准规定了大豆中水溶性蛋白含量的测定方法。
本标准适用于大豆中水溶性蛋白含量的测定。
用水提取大豆中的水溶性蛋白，硫酸使含氮物转化成为硫酸铵，加强碱蒸馏使氨逸出，用硼酸吸收后，用标准盐酸滴定计算含氮量，乘以换算系数计算出大豆中水溶性蛋白含量。
除非另有说明，在分析中仅使用确认的分析纯试剂和蒸馏水或去离子水或相当纯度的水。
盐酸标准溶液[c(HCl)=0.1 mol/L]：量取8.3 mL盐酸，溶于1000 mL水中。
This standard specifies the method for determination of water soluble protein content in soybeans.
This standard is applicable to the determination of water soluble protein content in soybeans.
Water is used to extract water soluble protein from soybeans, sulfuric acid converts nitrogenous substances into ammonium sulfate, strong alkali distillation releases ammonia, which is absorbed by boric acid, then titrated with standard hydrochloric acid to calculate nitrogen content, multiplied by a conversion factor to calculate water soluble protein content in soybeans.
Unless otherwise specified, only confirmed analytical grade reagents and distilled water or deionized water or water of equivalent purity are used in the analysis.
Hydrochloric acid standard solution [c(HCl)=0.1 mol/L]: measure 8.3 mL of hydrochloric acid, dissolve in 1000 mL of water.