GB/T 14251-2017 Translated English of Chinese Standard (GBT14251-2017): General technical standard for metal container of canned food

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www.ChineseStandard.net, 03.09.2021 - 44 Seiten
This Standard specifies the method for determination of the specific surface area of metallic powder. This Standard applies to the determination of the specific surface area of metallic powder. The determination range is 0.1 m2/g~1000 m2/g. The determination of the specific surface area of non-metallic powder and microporous materials may also refer to it for use. The specific surface area determined in this Standard is the total specific surface area of the powder, including any open specific surface area where nitrogen molecules can enter the powder body. It is different from the specific surface area measured by the air permeation method, which refers to the envelope surface area.
 

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Inhalt

Foreword
3
Product classification
19
Food safety requirements
25
Inspection rules
34
Appendix A Normative Quality requirements for pure copper wire used
41

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