SN/T 3056.11-2011 Determination of essential parameters of chemical raw materials for use in fireworks and firecrackers.Part 11:Ferrum powder (English Version)
This part of SN/T 3056 specifies the determination method of active iron content, iron content, hydrochloric acid insoluble matter content, moisture content and particle size determination method in iron powder for fireworks and firecrackers. This section is applicable to the determination of active iron content, determination of iron content, determination of hydrochloric acid insoluble matter content, determination of moisture content and determination of particle size in iron powder for fireworks and firecrackers.
SN/T 3056.11-2011 Referenced Document
GB/T 6003.1 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth*, 2022-10-12 Update
GB/T 6003.2 Test sieves.Technical requirements and testing.Part 2:Test sieves of metal wire cloth*, 2012-12-31 Update