350 mg/kg (= 350 ppm) antimony 20 mg/kg (= 20 ppm) gallium 100 mg/kg (= 100 ppm) germanium 125 mg/kg (= 125 ppm) cobalt 130 mg/kg (= 130 ppm) lithium 140 mg/kg (= 140 ppm) manganese 80 mg/kg (= 80 ppm) zinc 120 mg/kg (=120 ppm) titanium Finished products whose intended use does not involve them being subjected to a temperature of more than 80 °C for extended periods of time may also contain residual lead oxides, provided that their concentration does not exceed 40 mg/kg (= 40 ppm).
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比之前的少了几个点说明。
