请问lead-free RoHS

请问lead-free RoHS lead free,pb free,rohs有什么区别?lead free无铅pb free无铅rohs环保这几个有什么区别?还有别的类似IC术语吗? Lead Free Nickle Free cadmium free and lead free NO SVHC>0.1% Phtalate free Azo free Nickel free Lead 请问ROHS认证有几种形式? rohs Tin/Lead是什么意思原文：TAJD157K016HNJ :non- Rohs part.HNJ means Tin/Lead Tin/Lead 是含铅的意思么?求教, 请问谁知道这段英文的意思：Note:Exempt under ROHS/WEEE Directive 2002/95/EC Annex6-Lead as an alloying element in steel containing up to 0.35% lead by weight,aluminium containing up to 0.4% lead by weight and copper alloy containing up to 请问free all 请问:符合ROHS标准的SGS检测报告是什么意思? 请问环保ROHS标准,具体有什么要求? 请问CE认证;ROHS认证;REACH;PASH 认证是什么意思 请问GS,CE,EMC,CSA,UL,RoHS分别是什么认证? 请问食品接触报告中的rohs reach HF 请问Ammonium-free water和Nitrate-free lead lead