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产地 | 美国 |
品牌 | Sigma |
货号 | S7778-500G |
用途 | 科研试验 |
包装规格 | 瓶 |
CAS编号 | 10101-89-0 |
纯度 | 98% |
是否进口 | 是 |
S7778
BioXtra
≥98.0% (titration)
powder
Insoluble matter, passes filter test
≤3% Free alkali (as NaOH)
~13.0 (20 °C, 0.5 M in water)
H2O: 0.5 M at 20 °C, clear, colorless
1.62 g/mL at 25 °C
chloride (Cl-): ≤0.005%
sulfate (SO42-): ≤0.005%
Al: ≤0.0005%
Ba: ≤0.0005%
Bi: ≤0.0005%
Ca: ≤0.001%
Cd: ≤0.0005%
Co: ≤0.0005%
Cr: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Li: ≤0.0005%
Mg: ≤0.0005%
Mn: ≤0.0005%
Mo: ≤0.0005%
Ni: ≤0.0005%
Pb: ≤0.0005%
Sr: ≤0.0005%
Zn: ≤0.0005%
≤0.023 at 280 in H2O at 0.5 M
≤0.035 at 260 in H2O at 0.5 M