Little Known Facts About BOD testing.
เครื่องจ่ายลม และหัวฟู่ (หัวจ่ายลม), ลูกยางObserve: Hydrochloric acid or other acid containing chlorine shouldn't be accustomed to neutralize the sample due to the fact chlorine interferes the outcomes of wastewater BOD.Substantial concentrations of organics can deplete disso