电影天堂久久无码高清_兔费A级毛片无码Av_亚洲av高清dvd专区_亚洲中文字幕欧美岛国

一、化學(xué)名：乙酸鋅

二、分子式：C₄H₆O₄Zn?；C₄H₆O₄Zn·2H₂O

三、分子量：無(wú)水：183.48，二水：219.51

四、CAS：無(wú)水：557-34-6， 二水：5970-45-6

五、性狀：白色晶體粉末或者薄片，微帶醋酸味，可溶于水或乙醇。

六、用途：在食品工業(yè)中用作營(yíng)養(yǎng)強(qiáng)化劑?？勺鳛橛∪久饺緞?， 醫(yī)藥收斂劑，木材防腐劑，瓷器釉料等，也可用于制鋅鹽、測(cè)定鈉，硫化氫，蛋白的試劑、色譜分析試劑，媒染劑用于聚酯工業(yè)等。

七、包裝：內(nèi)襯聚乙烯塑料袋，外套復(fù)合塑料編織袋包裝，每袋凈重25kg。

八、貯存與運(yùn)輸：本品應(yīng)貯存在干燥通風(fēng)清潔的庫(kù)房中，裝載運(yùn)輸時(shí)要輕裝輕放，防止包裝破損，防止受潮、受熱，運(yùn)輸過(guò)程中防止雨淋受潮，應(yīng)與有毒物品隔離。

質(zhì)量指標(biāo)	Specification	GB1903.35-2018	BP2013
含量（C4H6O4Zn·2H2O)，w/%	Content (C4H6O4Zn·2H2O),w/%	99.0-101.0	99.0-101.0
pH值（10%水溶液，25℃）	pH value (10% solution ,25℃)	5.8-7.0	5.8-7.0
氯化物（Cl），w/% ?????????????≤	Chlorides?(Cl),w/% ????????????≤	0.005	0.005
硫酸鹽 (SO4），w/% ???????????≤	Sulfates?(SO4),w/% ????????????≤	0.01	0.01
鋁（Al），w/% ?????????????????≤	Aluminum (Al), w/% ????????????≤	————	0.0005
砷（As），w/% ?????????????????≤	Arsenic(As),w/% ???????????????≤	0.0002	0.0002
鎘（Cd），w/% ?????????????????≤	Cadmium(Cd), w/% ????????????≤	0.0002	0.0002
銅（Cu），w/% ?????????????????≤	Copper(Cu)?,w/% ??????????????≤	————	0.005
鐵（Fe），w/% ?????????????????≤	Iron(Fe), w% ?????????????????≤	————	0.005
鉛（Pb），w/% ?????????????????≤	Lead (Pb),w% ????????????????≤	0.0004	0.001
干燥減重，w/%???????≤	Loss On Drying, w/% ??????????≤	19.0	————
還原性物質(zhì)	Reducing Substance	通過(guò)試驗(yàn)	Pass Test

1、Chemical Name: Zinc acetate

2、Molecular Formula?: C₄H₆O₄Zn?；C₄H₆O₄Zn?2H₂O

3、Molecular Weight: Anhydrate：183.48,Dihydrate：219.51

4、CAS：?Anhydrate：557-34-6,Dihydrate：5970-45-6

5、Character: White crystalline powder or thin slice with slightly acetic acid taste, and it’s soluble in water or ethanol.

6、Usage: Used as a nutritional fortifier in the food industry.?It can be used as printing and dyeing mordant, medicine convergent agent, wood preservative, porcelain glaze, etc., it can also be used in the production of zinc salt, determination of sodium, hydrogen sulfide, protein reagent, chromatography reagent, mordant for polyester industry.

7、Packing: It is packed with?a?polyethylene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg?.

8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substance.

 

 

本文標(biāo)簽：三水醋酸鈉, 檸檬酸鎂, 食品級(jí)醋酸鋅

• 上一篇：醋酸鈉無(wú)水