2023年,生态环境部发布了《水质氨氮的测定 气相分子吸收光谱法》(HJ 195—2023)。
本标准规定了测定水中氨氮的气相分子吸收光谱法。
本标准适用于地表水、地下水、生活污水、工业废水和海水中氨氮(以 N 计)的测定。
百灵威提供HJ 195—2023中常用的标准品、试剂,满足不同客户需求。
产品优势:质控严格,货源稳定。
| 品名 | CAS | 货号 |
|---|---|---|
| Ethanol absolute, 99.7%, AR 无水乙醇 | 64-17-5 | 914598新 危化品 |
| Potassium bromate, 99.5% 溴酸钾 | 7758-01-2 | 335653 危化品 |
| Potassium bromide, 99%, ACS reagent 溴化钾 | 7758-02-3 | 983640 |
| Sodium hydroxide, 96%, AR granular 氢氧化钠 | 1310-73-2 | 955585 危化品 |
| Ammonium chloride, 99.5%, AR 氯化铵 | 12125-02-9 | 980615 |
| Boric acid, 99.5%, AR 硼酸 | 10043-35-3 | 985445 危化品 |
| Bromothymol Blue, indicator, ACS reagent 溴百里酚蓝 | 76-59-5 | 137657 |
| Magnesium oxide,AR,≥98.5% 轻质氧化镁,AR,≥98.5% | 1309-48-4 | W00194 |
| Magnesium oxide, 98%, AR 氧化镁 | 1309-48-4 | 986106 |
| 品名 | CAS | 货号 |
|---|---|---|
| Nylon 66 syringe filter, non-sterile, 13 mm, 0.22 µm, green, 200 pcs/pack 有机系尼龙66 针式过滤器 | / | 9215892 |
| Microstome screw thread vials, 2ml, 11.6×32mm, with marking spot, clear 小口螺纹样品瓶 | / | 940043 |
| Sample vial, 2mL, 8 mm, clear glass screw thread vials with write-on spot 样品瓶 | / | 2063717 |
| Screw thread vials, 2ml, 8mm, 11.6×32mm, with marking spot, amber, first grade hydrolyzed glass 螺纹样品瓶 | / | 929080 |
| Screw thread vial caps, 8 mm, black, opening, pp, centre hole 5.5 mm 螺纹样品瓶瓶盖 | / | 2751566 |
| Sample vials cap, 8 mm, red PTFE/white silicone septum, black screw top cap 样品瓶瓶盖 | / | 927212 |
| 品名 | CAS | 货号 |
|---|---|---|
| Nitrile gloves. Powder-free,size M Blue 3.5g 丁腈手套.无粉.中号.蓝.3.5g | / | DRG-CN131166C |
| FindMolecule ELN, Academic Basic ELN电子记录本系统服务 | / | 9269008 |
| FindMolecule IMS, Academic Basic 实验室库存管理系统服务 | / | 9269003 |
| Smart Hazardous Chemical Management Cabinet HCA00, Container size: 900 * 500 * 1980mm, internal size: 650 * 420 * 1550mm, volume 423L RFID酸碱柜HCA-400 | / | 9410144 |
| Bio-Vanguard® Antimicrobial Rinse-free Foaming Hand Sanitizer 清萨灵®泡沫抗菌免水洗手液 | / | 965255 |
| Antibacterial 100% Cotton laboratory coats, men, L (170-175cm, 60-70 kg), long-sleeved 抗菌纯棉实验服 | / | 9307387 |