MDL：
--MFCD00150035

Molecular Formula：
C4H4Na2O6·2H2O

Molecular Weight：
230.08

Alias：
d-酒石酸鈉,D(-)酒石酸鈉,2,3-二羥基丁二酸鈉 L-(+)-Tartaric acid disodium salt Disodium tartrate dihydrate Sodium tartrate dihydrate

Product order：

Name	Specifications	Packing	Price	Delivery
Sodium tartrate dibasic dihydrate	ACS	500g	RMB 239.8	Consulting service
Sodium tartrate dibasic dihydrate	GR	500g	RMB 242	Consulting service
Sodium tartrate dibasic dihydrate	CP	500g	RMB 176	Consulting service
Sodium tartrate dibasic dihydrate	AR	500g	RMB 206.8	Consulting service

Character：
白色結(jié)晶或顆粒。易溶于水，不溶于醇，約120℃失去結(jié)晶水，水溶液對(duì)石蕊呈微堿性。

Quality Standard：
   
   HG/T 3-1101-77
項(xiàng)目Item                                   分析純    化學(xué)純
                                            (AR)      (CP)
含量(C4H4Na2O6·2H2O)Assay,%                ≥99.0     98.0          
水溶液反應(yīng)Water solution reaction           合格      合格
澄清度試驗(yàn)Clarty                            合格      合格
水不溶物Insiluble matter in water,%       ≤0.005     0.01
氯化物(Cl)Chloride,%                      ≤0.002     0.005
硫酸鹽(SO4)Sulfate ,%                     ≤0.005     0.01
磷酸鹽(PO4)Phosphate,%                    ≤0.002      --
鐵(Fe)Iron,%                              ≤0.002     0.005
重金屬(以Pb計(jì))Heavy metals,%              ≤0.0005    0.001

ACS級(jí)
項(xiàng)目名稱　                                           ACS Grade
含量(C4H4Na2O6·2H2O)Assay                           99.0-101.0%
干燥失重Loss on drying                               15.61%-15.71%
pH(5%溶液,25.0℃)pH of a 5% solution at 25.0℃       7.0-9.0
水不溶物Insoluble matter                             ≤0.005%
氯化物(Cl)Chloride                                   ≤5ppm
磷酸鹽(PO4)Phosphate                                 ≤5ppm
硫酸鹽(SO4)Sulfate                                   ≤0.005%
銨(NH4)Ammonium                                      ≤0.03%
鈣(Ca)Calcium                                        ≤0.01%
重金屬(以Pb計(jì))Heavy metals                           ≤5ppm
鐵(Fe)Iron                                           ≤0.001%

Storage：
密封保存。
用途  用釩的微量分析測(cè)定，卡爾費(fèi)休試劑的標(biāo)定，并用作掩蔽劑，絡(luò)合劑，生化試。用于制藥、食品加工、電鍍。劑。