| 编号 | 产品名称 | CAS号 | 浓度 | 规格 |
|---|---|---|---|---|
| BY400022 | 标样-硝酸盐（以氮计） | 20mL | 52.7mg/L | |
| BY400111 | 标样-钼 | 20mL | 74.7μg/L | |
| BY400011 | 标样-化学需氧量-铬（COD-Cr） | 20mL | 333mg/L | |
| BY400016 | 标样-锌 | 20mL | 2.15mg/L | |
| BY400029 | 标样-砷 | 20mL | 160μg/L | |
| BY400031 | 标样-铜 | 20mL | 0.503mg/L | |
| BY400018 | 标样-硒 | 20mL | 16.6mg/L | |
| BY400041 | 标样-钙 | 20mL | 1.56mg/L | |
| BY400041 | 标样-钙 | 20mL | 4.05mg/L | |
| BY400019 | 标样-钠 | 20mL | 1.89mg/L | |
| BY400124 | 标样-生化需氧量BOD | 20mL | 118mg/L | |
| BY400124 | 标样-生化需氧量BOD | 20mL | 90.4mg/L | |
| BY400022 | 标样-硝酸盐（以氮计） | 20mL | 0.320mg/L | |
| BY400012 | 标样-氨氮 | 20mL | 25.1mg/L | |
| BY400021 | 标样-氟 | 20mL | 0.545mg/L | |
| BY400119 | 标样-镉 | 20mL | 0.258mg/L | |
| BY400028 | 标样-锰 | 20mL | 0.305mg/L | |
| BY400112 | 标样-钾 | 20mL | 1.11mg/L | |
| BY400018 | 标样-硒 | 20mL | 10.4μg/L | |
| BY400018 | 标样-硒 | 20mL | 7.92μg/L |
