| 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 % |
Stuart运送培养基
编号:HB8552 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%
餐饮具用大肠菌群检测纸片
编号:ZW5024 规格:100份/20包/盒
定制混标59 标准品
编号:CDGG-132959-03-1ml 规格:100mg/L于正己烷,1 mL
定制混标10 标准品
编号:CDGG-132910-01-1ml 规格:1000mg/L于乙腈,1 mL
甲萘威和呋喃丹混标 标准品
编号:CDGG-131464-05-1ml 规格:1000mg/L于乙腈,1 mL