http://vocab.lternet.edu/vocab/vocab/http://vocab.lternet.edu/vocab/vocab/skos/666elements and compounds http://vocab.lternet.edu/vocab/vocab/skos/666 substances BT http://vocab.lternet.edu/vocab/vocab/skos/666 chromium NT http://vocab.lternet.edu/vocab/vocab/skos/666 phenolic compounds NT http://vocab.lternet.edu/vocab/vocab/skos/666 hydrogen NT http://vocab.lternet.edu/vocab/vocab/skos/666 zinc NT http://vocab.lternet.edu/vocab/vocab/skos/666 strontium NT http://vocab.lternet.edu/vocab/vocab/skos/666 sodium NT http://vocab.lternet.edu/vocab/vocab/skos/666 silicon NT http://vocab.lternet.edu/vocab/vocab/skos/666 potassium NT http://vocab.lternet.edu/vocab/vocab/skos/666 nickel NT http://vocab.lternet.edu/vocab/vocab/skos/666 manganese NT http://vocab.lternet.edu/vocab/vocab/skos/666 magnesium NT http://vocab.lternet.edu/vocab/vocab/skos/666 lead NT http://vocab.lternet.edu/vocab/vocab/skos/666 oxygen NT http://vocab.lternet.edu/vocab/vocab/skos/666 nitrogen NT http://vocab.lternet.edu/vocab/vocab/skos/666 chlorine NT http://vocab.lternet.edu/vocab/vocab/skos/666 antimony NT http://vocab.lternet.edu/vocab/vocab/skos/666 copper NT http://vocab.lternet.edu/vocab/vocab/skos/666 iron NT http://vocab.lternet.edu/vocab/vocab/skos/666 fluorine NT http://vocab.lternet.edu/vocab/vocab/skos/666 sulfur NT http://vocab.lternet.edu/vocab/vocab/skos/666 boron NT http://vocab.lternet.edu/vocab/vocab/skos/666 cadmium NT http://vocab.lternet.edu/vocab/vocab/skos/666 aluminum NT http://vocab.lternet.edu/vocab/vocab/skos/666 carbon NT http://vocab.lternet.edu/vocab/vocab/skos/666 cesium NT http://vocab.lternet.edu/vocab/vocab/skos/666 phosphorus NT http://vocab.lternet.edu/vocab/vocab/skos/666 calcium NT