柠檬酸氢二铵，Ammonium citrate dibasic；for analysis EMSURE® ACS,Reag. Ph Eur, 99.0-102.0% (alkalimetric)

等级

ACS reagent

质量水平

300

Agency

reag. Ph. Eur.

产品线

EMSURE^®

测定

99.0-102.0% (alkalimetric)

形式

solid

杂质

≤0.005% Insoluble matter

灼烧残渣

≤0.01% (as sulfate)

pH值（酸碱度）

3.3-5.3 (23 g/L in H₂O)

密度

1.48 g/cm³ at 20 °C

堆积密度

400‑600 kg/m³

痕量阴离子

chloride (Cl^-): ≤0.0005%
oxalate (C₂O₄^2-): passes test (limit about 0.05%)
phosphate (PO₄^3-): ≤0.0005%
sulfur compounds (as SO₄^2-): ≤0.005%

痕量阳离子

Fe: ≤0.0005%
heavy metals (as Pb): ≤0.0005%

储存温度

2-30°C

InChI

1S/C6H8O7.2H3N/c7-3(8)1-6(13,5(11)12)2-4(9)10;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);2*1H3

InChI key

YXVFQADLFFNVDS-UHFFFAOYSA-N