| 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 % |
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%
Synthetic Basalt Glass
编号:GSC-2G 规格:50g
铅矿
编号:VS 2038-81 规格:100 g 浓度:3组分
定制混标52 标准品
编号:CDGG-132952-03-1ml 规格:100mg/L于正己烷,1 mL
定制混标39 标准品
编号:CDGG-132939-03-1ml 规格:100mg/L于正己烷,1 mL
定制混标57 标准品
编号:CDGG-132957-03-1ml 规格:100mg/L于正己烷,1 mL