This part of SN/T 1732 specifies the method for determination of copper content in pyrotechnic agents for fireworks and firecrackers. This section is applicable to the determination of copper content greater than 1% in pyrotechnic agents for fireworks and firecrackers.
SN/T 1732.4-2014 history
2014SN/T 1732.4-2014 Pyrotechnic composition used for fireworks and firecracker.Part 4:Determination of copper content
2006SN/T 1732.4-2006 Pyrotechnic composition used for fireworks and firecracker--Part 4: Determination of copper content