L-Threonine

L-苏氨酸标准品

β-Alanine Reference Material

β-丙氨酸标准品

Ammonium Chloride

氯化铵

5 Anion Mixture Standard Solution

Bromate Ion Standard Solution (BrO3- 2000)

Chlorite Ion Standard Solution (ClO2- 1000)

Chlorate Ion Standard Solution (ClO3- 1000)

Total Organic Carbon Standard Solution

Silver Standard Solution (Ag 1000)

6 Phenols Mixture Standard Solution (Acetone Solution)

6种酚类混合物标准溶液（丙酮溶液）

4 Haloacetic Acid Mixture Standard Solution (t-Butyl Methyl Ether Solution)

4种卤代乙酸混合物标准溶液（叔丁基甲基醚溶液）

Polystyrene (for Light Scattering)

Trichloroacetic Acid

Lead Isotopic Standard Solution

Iron Isotope Standard Solution

Titanium(IV) Oxide Nanoparticles(specific surface area 11 m2/g, large particle size, no surface modification)

Titanium(IV) Oxide Nanoparticles(specific surface area 57 m2/g, small particle size, surface modified with fatty acid)

Diarrhetic Shellfish Toxins in Scallop Midgut Gland)

Diarrhetic Shellfish Toxins in Scallop Edible Parts

Polyvinyl Chloride (Phthalate Esters in PVC Resin Pellet Low Concentration)