Acetonitrile with 0.1% ammonium acetate

乙腈与0.1％醋酸铵

Total Petroleum Hydrocarbons (TPH) in Water

Nitrite

Turbidity

Canthaxanthin (trans)

β-Carotin-4,4′-dione

Amberlyst^® 15 hydrogen form

Amberlyst^® 15 氢型

AmberChrom^® 50WX2 氢型, AmberChrom^® 50WX2 hydrogen form

Sodium 1-Butanesulfonate

1-丁烷磺酸钠

铁ICP标准液, Iron Standard for ICP

ICP多元素混标1, Multielement standard solution 1 for ICP