MDL：
--MFCD00011300

Molecular Formula：
ZnO

Molecular Weight：
81.38

Alias：
鋅氧粉,鋅華,白鉛粉,鋅白 Flowers of zinc Zinc white

Product order：

Name	Specifications	Packing	Price	Delivery
Zinc oxide	醫(yī)藥級，USP	500g	RMB 74.8	現(xiàn)貨
Zinc oxide	分析標(biāo)準(zhǔn)品，絡(luò)合量：12.280mmol/g	50g	RMB 1045	現(xiàn)貨
Zinc oxide	99.99%	50g	RMB 217.8	現(xiàn)貨
Zinc oxide	SP	10g	RMB 96.8	現(xiàn)貨
Zinc oxide	PT	50g	RMB 74.8	現(xiàn)貨
Zinc oxide	電子級	500g	RMB 52.8	現(xiàn)貨
Zinc oxide	CP	500g	RMB 30.8	現(xiàn)貨
Zinc oxide	AR	500g	RMB 38.5	Consulting service

Character：
白色無定形粉末或淡黃色結(jié)晶粉末。白色無定形粉末或淡黃色結(jié)晶粉末。加熱變黃 ，在高溫時可被炭還原成金屬鋅，在水中的溶解度很小，它是兩性氧化物，既可溶于酸 ，又可溶于氨水及堿金屬氫氧化物中，在空氣中吸收碳酸氣及水蒸氣。
熔點：1975℃
密度：5.606

Quality Standard：
   
   HG/T 2890-1997
項目Item                                                 分析純   化學(xué)純
                                                          (AR)     (CP)
含量(ZnO)Assay,%                                         ≥99.0    99.0
澄清度試驗Clarity                                         合格     合格
稀硫酸不溶物Insolution matter in diluted sulfuric acid,% ≤0.01    0.02
游離堿Free alkalies,%                                      合格    合格
氯化物(Cl)Chloride,%                                     ≤0.001   0.005
硫化合物(以SO4計)Sulfur compounds                        ≤ 0.01    0.02
硝酸鹽(NO3)Nitrate,%                                     ≤0.003   0.005
錳(Mn)Manganese,%                                        ≤0.0005  0.001
鐵(Fe)Iron,%                                             ≤0.0005  0.0025
砷(As)Arsenic,%                                          ≤0.00005 0.0002
鉛(Pb)Lead,%                                             ≤0.005   0.05
還原高錳酸鉀物質(zhì)Potassium permanganate-reducing substances 合格    合格
硫化銨不沉淀物(以SO4計)Substances not
precipitated by ammonium sulfide,%                       ≤0.01    0.25

項目                                                     電子級
氧化鋅(以干品計) (ZnO)　%                                ≥ 99.8  
金屬物(以Zn計) %                                         無  
氧化鉛(以Pb計) %                                         ≤ 0.001
氧化銅(以Cu計)　 %                                       ≤ 0.0001
錳的氧化物(以Mn計) %                                     ≤ 0.0001  
鐵的氧化物(以Fe計) %                                     ≤ 0.0002
鎘的氧化物（以Cd計） %                                   ≤ 0.0005
鹽酸不溶物 %                                             ≤ 0.002  
灼燒減量 %                                               ≤ 0.05
篩余物（45um） %                                         ≤ 0.02
水溶物　 　 %                                            ≤ 0.05  
105℃揮發(fā)物　 %                                          ≤ 0.2  
粒徑um                                                   20－40（nm）  

項目                                                     醫(yī)藥級
氧化鋅(以干品計) (ZnO)　%                                ≥ 99.9
金屬物(以Zn計) %                                         無
氧化鉛(以Pb計)%                                          ≤0.001  
鎘 %                                                     ≤0.0005  
砷 %                                                     ≤0.0005  
鹽酸不溶物 %                                             ≤0.002
105℃揮發(fā)物　%                                           ≤ 0.03

99.99%：

外觀Appearance                          白色至黃色粉末
X-射線衍射分析X-Ray Diffraction         Conforms to standard
鋅Zn                                    79.8 - 80.8 %  (Complexiometric EDTA)
純度Purity                              ≥99.99% Based On Trace Metals Analysis
ICP Assay                               Confirms Zinc component
總金屬雜質(zhì)Total metallic impurities     200ppm by ICP Atomic emission
(Al、Ca、Fe、Mg、Mn、Na、Pb、Sb)  

Storage：
密封保存
用途  在錳的氧化還原容量法測定中用以沉淀鹽類易消解的元素。如鐵、鉻、釩、鈦和鋯，用作硫化氫吸收劑。標(biāo)定乙二胺四乙酸二鈉的基準(zhǔn)劑