Tianjin Xinxin Biotechnology Research And Development Center!Tel:+86-22-23995346 +86-22-86399960
ADD:Donglan Tuo Village, Wang Wenzhuang Town, Xiqing District, Tianjin, China
Tel:+86-22-23995346
Fax:+86-22-23990742
P.C300383
Mobile phone:+86-13920818696
Tel/Fax:+86-22-86399961
Sales/Service Tel:+86-15202298304
URL:www.znso4.com
E-mail:xinxin@znso4.com
Physical and chemical property
White crystal, relative density is 3.31, deliquescent in air, easy to dissolve in water, slightly dissolve in sterols, insoluble in acetone, loose crystal water at 280℃ and to be anhydride, decompose as zinc oxide(ZnO)and sulfur trioxide at 740℃.
Use
Agricultural-grade zinc sulphate monohydrate is widely used in rice、wheat、corn、vegetables、fruit growing and making fertileizer.
Characteristic and function
1.Easy to dissolve in water and absorb, non-caking.
2.Little heavy metal, Pb、Cd、Cr、As etc conform with Nation Agriculture Standard.
Packaging and transportation
Plastic sack inner and reschel bag outside, net weight 25Kg, and change package as request. Protect from damp when transport and stock.
ITEM |
INDEX |
||
Products grade |
Excellent grade |
Grade I |
|
Major componets |
Zn %≥ |
35.5 |
35 |
ZnSO4 H2O % ≥ |
99 |
98 |
|
Lead(Pb) %≤ |
0.001 |
0.002 |
|
Cadmium(Cd) % ≤ |
0.001 |
0.002 |
|
As %≤ |
0.0005 |
0.001 |
|
Cr %≤ |
0.0005 |
0.001 |
|
Particle size(w=250 um) |
95 |
—— |