烟花爆竹 特定化学物质检测方法 第6部分：粒度小于40μm锆含量的测定 电感耦合等离子体原子发射光谱法

Fireworks—Test methods for determination of specific chemical substances—Part 6:Determination of zirconium with a particle size of less than 40 μm—Inductively coupled plasma optical emission spectrometry (ICP-OES)