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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。
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