痕量阴离子
|
chloride (Cl-): ≤0.001%
|
痕量阴离子
|
sulfate (SO42-): ≤0.003%
|
痕量阳离子
|
Fe: ≤0.002%
|
痕量阳离子
|
Na: ≤0.005%
|
痕量阳离子
|
heavy metals (as Pb): ≤0.001%
|
级别
|
ACS reagent
|
杂质
|
≤0.01% Insoluble matter
|
干燥失重
|
≤0.2% loss on drying, 105°C
|
纯度
|
≥99.0%
|
pKa
|
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
|
密度
|
2.338 g/mL at 25 °C(lit.)
|
熔点
|
252.6 °C(lit.)
|
pH值
|
4.1-4.5 (25 °C, 5%)
|
个人保护装置
|
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
|
RTECS编号
|
TC6615500
|
德国WGK号
|
2
|