产地 | 美国 |
品牌 | Sigma |
货号 | 236497-100G |
用途 | 科研试验 |
包装规格 | 瓶 |
CAS编号 | 127-08-2 |
纯度 | 99% |
是否进口 | 是 |
236497
ACS reagent
200
<0.0000001 hPa ( 25 °C)
≥99.0%
powder or crystals
≤0.005% insolubles
6.5-9.0 (25 °C, 5%)
water: soluble 98.2 g/L at 20 °C
1.57 g/cm3 at 25 °C (lit.)
chloride (Cl-): ≤0.003%
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.002%
Ca: ≤0.005%
Fe: ≤5 ppm
Mg: ≤0.002%
Na: ≤0.03%
heavy metals: ≤5 ppm (as Pb)
complies for IR spectroscopy