Reference Materials

Organic pollutants (carbon tubes/filter membranes) (workplace environment)

Formaldehyde Ammonia Total volatile organic compounds（TVOC) Benzene Toluene Xylene Hydrogen sulfide Methanol Chloroform Carbon tetrachloride Trichloroethylene Tetrachloroethylene N-hexane N-pentane Single component Mix-component Others

Organic pollutants (water and air)

Volatile organic pollutants (VOCs) Semi-volatile organic pollutants(SVOCs） Formaldehyde Volatile phenol Petroleum Benzene series Volatile halogenated hydrocarbons Phenolic compounds Chlorobenzene compounds Aniline compounds Nitrobenzenes Phthalates Organochlorine pesticides Organophosphorus pesticides Atrazine Acrylonitrile and Acrolein Trichloroacetaldehyde polycyclic aromatic hydrocarbons Dioxins PCBs Organotin compounds Organic acid Amines Hydrazines Alcohols Nitriles Others

Metals and their compounds (water and wastewater)

Single element solution Mixed standard solution Silver (Ag) Aluminum (Al) Arsenic (As) Gold (Au) Potassium (K) Barium (Ba) Berryllium (Be) Bismuth (Bi) Calcium (Ca) Cadmium (Cd) Cerium (Ce) Cobalt (Co) Chromium (Cr) Cesium (Cs) Copper (Cu) Dysprosium (Dy) Erbium (Er) Europium (Eu) Iron (Fe) Gallium (Ga) Gadolinium (Gd) Germanium (Ge) Hafnium (Hf) Holmium (Ho) Indium (In) Iridium (Ir) Osmium (Os) Lithium (Li) Lutetium (Lu) Magnesium (Mg) Manganese(Mn) Molybdenum (Mo) Sodium(Na) Niobium (Nb) Neodymium (Nd) Nickel (Ni) Phosphorus(P) Lead (Pb) Palladium(Pd) Praseodymium(Pr) Platinum (Pt) Rubidium (Rb) Rhenium(Re) Rhodium(Rh) Ruthenium(Ru) Antimony (Sb) Scandium (Sc) Selenium(Se) Samarium(Sm) Tin (Sn) Strontium(Sr) Terbium (Tb) Tellurium(Te) Thorium (Th) Titanium (Ti) Thallium (Tl) Thulium (Tm) Uranium(U) Vanadium(V) Tungsten(W) Yttrium(Y) Ytterbium (Yb) Zinc(Zn) Zirconium (Zr) Ammonium(NH4) Mercury (Hg) Others Technetium (Tc) Tantalum (Ta) Polonium (Po) Astatine (At) Francium (Fr) Radium (Ra) Promethium (Pm) Protactinium (Pa) Actinium (Ac)

Reagents and test solutions

Test solution Buffer solution Indicator Reagents set Culture medium Others

Test kits

Water quality rapid test kit