| 分子式 | |
| 其他事项 | 4.120123Ammonium dihydrogen phosphateACS(NH4)H2PO4 M.=115.02 CAS No. 7722-76-1Guarantee analysisAssay (acidimetric) ≥ 98.0 % Insoluble in water ≤ 0.005 %pH (2.3%, H2O) about 4.2pH (5%, H2O) 3.8-4.4Chloride(Cl) ≤ 0.0005 %Nitrates (NO3) ≤ 0.001%Sulfates (SO4) ≤ 0.005 %Nitrate (NO3) ≤ 0.001 %Sulfates (SO4) ≤ 0.005 %Heavy metals (as Pb) ≤ 0.0005 %precipitable by ammonia ≤ 0.005 % As ≤ 0.0005 % K ≤ 0.005 %Ca ≤ 0.001 % Mg ≤ 0.005 %Fe ≤ 0.001 % Na ≤ 0.005 % |
二丙二醇甲醚检测标准品
编号:DGM-719556 CAS号:34590-94-8 规格:5mL 浓度:%
辛菌胺单一异构体
编号:1ST21341 CAS号:57413-95-3 规格:10mg 浓度:99.6%
酪蛋白胨
编号:HB8271 规格:250g 浓度:BR
十一烷酸甘油三酯C110
编号:CDAA-256304-1g CAS号:13552-80-2 规格:1g 浓度:99%
异钩藤碱
编号:DY0017-0020 CAS号:6859-01-4 规格:20mg 浓度:HPLC≥98%
硅胶管中甲醇质量控制样品
编号:ZK015-1/ZK015-2 CAS号:67-56-1 规格:2支/套