Bentonit alam jambi terinterkalasi monosodium glutamat dengan pengaruh variasi pH dan aplikasinya sebagai adsorben logam berat kadmium (cd2) dan timbal (pb2) = Natural bentonite of jambi intercalated by monosodium glutamate with the effect of pH variation and it s application as an adsorbent of heavy metal cadmium (cd2) and lead (pb2)