Potassium citrate
Molecular Structure:
MDL:
Molecular Formula:
K3C6H5O7?H2O
Molecular Weight:
324.41
Alias:
枸櫞酸鉀,檸檬酸三鉀,2-羥基-1,2,3-丙三羧酸三鉀鹽
Tripotassium citrate
2-Hydroxy-1,2,3-propanetricarboxylic acid tripotassium salt
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Potassium citrate |
AR |
500g |
RMB 39.6 |
Consulting service |
Potassium citrate |
CP |
500g |
RMB 33 |
Consulting service |
Potassium citrate |
藥用級 |
500g |
RMB 44 |
Consulting service |
Character:
白色或無色結(jié)晶顆?;蚍勰?。無臭。味咸而涼。有吸濕性。180℃時失去結(jié)晶水。1g溶于0.65ml水,緩溶于2.5ml甘油,不溶于乙醇。水溶液對石蕊呈堿性,pH約8.5。半數(shù)致死量(狗,靜脈)167mg/kg。
密度:1.98
熔點:230℃
Quality Standard:
GB/T3-1297-80
項目ltem 分析純 化學(xué)純
(AR) (CP)
含量(K3C6H5O7?H2O),% ≥ 99.5 99.0(GC/titration)
水溶液反應(yīng)Water solution reaction 合格 合格
澄清度試驗Clarity 合格 合格
水不溶物lnsoluble matter in water,% ≤ 0.005 0.01
氯化合物(以Cl計)Chloride ≤ 0.005 0.01
硫酸鹽(SO4)Sulfale,% ≤ 0.005 0.01
磷化合物(以PO4計)Phosphorus compounds,%≤ 0.015 0.03
鈉(Na)Sodium,% ≤ 0.1 0.2
鐵(Fe)Iron,% ≤ 0.0005 0.001
鈣(Ca)Calcium,% ≤ 0.02 0.04
重金屬(以Pb計)Heavy metals,% ≤ 0.0005 0.001
Storage:
密封保存。
分析試劑。配制緩沖溶液。鍍金。