organic alkali
2.The wet parts of this pump are made of full stainless steel material to perform outstanding corrosion resistance to organic acid, organic compound, alkali, neutral solution and a great many of gases, double helix carbon graphite bearing and hardalloy bearing are provided with good abrasion-resisting propertyto ensure the service life of product, it is an optimal pump forhandling corrosive mediums without leakage.
7.the organic content,total N and alkali-hydrolysable nitrogen content of Populus spp plantations plot A and B is higher in the 2 cm soil layer;
8.INVESTIGATION OF ENHANCEMET EFFECT OF ORGANIC REAGENT ON YTTERBIUM IN THE PRESENCE OF ALKALI METAL IONS IN AAS

