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magnetic metals content magnetic metals oils determination rice flour various grain nutrition powders configuration diagrams duralumin wire box-type multipurpose heat treatment furnaces
GB/T 5509-2008 in English

GB/T 5509-2008 in English

VALID

Inspection of grain and oils—Determination of magnetic metals content of flours

  • Issued on:1985-11-02
  • Implemented on:2009-01-20
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $100.00
$97.00
Standard No: GB/T 5509-2008
Document status: VALID
Title in English: Inspection of grain and oils—Determination of magnetic metals content of flours
Title in Chinese: 粮油检验 粉类磁性金属物测定
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 1985-11-02
Implemented on: 2009-01-20
Superseding: GB/T 5509-1985 Inspection of grain and oilseeds; Methods for determination of magnetic metals content of flours
ICS Classification: 67.040-food products in general
Chinese Classification: X10-Food processing and products in general
Professional Classification: GB-National Standard
Related Keywords: magnetic metals content
magnetic metals
oils determination
rice flour
various grain nutrition powders
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gb /t5509-2008
gb t 5509
Determination method of magnetic metal objects in wheat

《GB/T 5509-2008粮油检验 粉类磁性金属物测定》由TC270(全国粮油标准化技术委员会)归口,TC270SC1(全国粮油标准化技术委员会原粮及制品分会)执行,主管部门为国家粮食和物资储备局。
本标准代替GB/T 5509-1985 《粮食、油料检验 粉类磁性金属物测定法》。
本标准规定了粉类粮食中磁性金属物测定原理、仪器和用具、操作步骤及结果计算。
本标准适用于小麦粉、大米粉、糯米粉、玉米粉及各种谷物营养粉等商品粉类粮食中磁性金属物含量的测定。
本标准与GB/T 5509-1985 的主要技术差异如下:
―――增加了本标准的适用范围;
―――取消了原标准操作方法中2.2“磁铁吸引法”;
―――取消了原标准操作方法中的漂洗溶液―――四氯化碳;
―――将原标准中“磁铁吸力单位12kg”改为“磁感应强度120毫特斯拉(mT)”;
―――增加了用磁铁分离板分离法处理残留样品和磁性金属混合物的操作方法;
―――增加了在“测定”过程中样品通过淌样板流速的时间规定;
―――将原标准计算公式中的“mg/kg”改为“g/kg”;
―――在“仪器和用具”栏中增加了“分离板”及其技术参数;
―――在“仪器和用具”栏中取消了“马蹄形磁铁”和技术要求;
―――增加了资料性附录“分离板示意图”(见附录A)。


Scope

This standard specifies the principle, instruments and utensils, operating procedures and result calculations for the determination of magnetic metals in powdered grains. This standard is applicable to the determination of the content of magnetic metals in commodity categories such as wheat flour, rice flour, glutinous rice flour, corn flour and various grain nutrition powders.

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