Technology code for electric heat method of eliminating welding stress 电热法消除焊接应力工艺规程
2.
En iso 11212 - 3 starch and derived products . heavy metals content . part 3 : determination of lead content by atomic absorption spectrometry with electrothermal atomization 淀粉及其制品.重金属含量.第3部分:由电热法粉碎原子的原子吸收光谱法测定铅含量
3.
En iso 11212 - 4 starch and derived products . heavy metals content . part 4 : determination of cadmium content by atomic absorption spectrometry with electrothermal atomization 淀粉及其制品.重金属含量.第4部分:由电热法粉碎原子的原子吸收光谱法测定镉含量