TY - BOOK ID - 132405314 TI - Bepaling van de ammoniakale stikstof: rechtstreekse fotometrische methode met natriumfenolaat: NBN T 91-254 PY - 1977 PB - Brussel DB - UniCat KW - Water supply. Water treatment. Water pollution KW - fotometrie KW - NBN-normen KW - water KW - waterverontreiniging KW - analyse (chemie) KW - Belgium UR - https://www.unicat.be/uniCat?func=search&query=sysid:132405314 AB - ER -