Home / Standards / GB 13580.12-92 GB 13580.12-92 Determination of sodium and potassium in atmospheric precipitation — Atomic absorption spectrophotometry 大气降水中钠、钾的测定 原子吸收分光光度法 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A