国产精品流白浆在线观看,精品久久久久久中文字幕色欲,无码中字日韩经典,狠狠色噜噜狠狠狠狠色综合久,国产末成年女AV片,亚洲欧美中文日韩aⅴ手机版,中文字幕在线制服丝袜


Ammonium Thiocyanate

Molecular formula:NH4SCN 
Molecular weight: 76.12
CAS :1762-95-4 
HS NO: 2842901910

Properties: NH4SCN,a colorless crystalline or column crystal that is soluble in water, methanol, ethanol, pyridine, acetone & ammonia and insoluble in ethyl acetate, methyl chloride and chloroform; at 140℃ bring thiourea. melts at 149.6℃ .thermal decomposition at 170℃ may produce highly toxic fumes of hydrogen cyanide, hydrogen sulfide and toxic oxides of nitrogen, sulfur, and carbon.
Alias:Ammonium Rhodanide, Ammonium Sulfocyanate, Ammonium Sulfocyanite, Ammonium Isothiocyanate, Thiocyanic Acid, Ammonium Salt

 Index(Quality Criterion:HG/T2154/91)
Export Grade
1st Grade
Liquid
NH4SCN Min%
99.0
98.0
50--55
Clarity Test in water(100g/L)
Clarity
Clarity
Clarity
pH Value in water (50g/L)
4.5-6.0
4.5-6.0
4.5-6.0
Chloride (CL-)    % Max
0.04
0..06
0.03
Sulfate(SO42-)    % Max
0.04
0.04
0.02
Residue on ignition, % Max
0.08
0.10
0.05
Heavy metal (Pb), % Max
0.002
0.002
0.001
Iron  ( Fe ) % Max
0.0005
0.001
0.0003
Water    % Max
1
1.7
----

Usage: 
Genaral: Mainly in  pharmaceuticals, pesticide, textile,electroplating, photography,water tracer in oil fields, thinning agent, as intermediate for metal thiocyanates etc.
Textile: printing, dyeing and finishing operations accelerator in fixing baths 
Pesticide: raw material for the production of a number of herbicides and fungicides
Photographit: Stabilizer, accelerator, etc.
Metal finishing: Plating, flotation agent.As intermediate for metal thiocyanates (NaSCN, KSCN, CuSCN, Ca(SCN)2 ).
Packaging: 25kg net PP bag with PE liner for solid, 1000kg net IBC tank for liquid.
Storage: Store away from incompatible substances. Keep in a tightly closed bags. Store in a cool, dry, ventilated area to prevent it from being deliquescent. Separated from acids, bases and oxidants.
 

Contact Person: Lois Lei MP: +86-135 9886 2887  
Tel: +86-371-6573 3011 Fax: +86-371-6573 3022
E-amil: chemlois@126.com lois@tshgc.com 
QQ:1542 333 66  Wechart: 135 9886 2887 
Plant Add: Rm C1508, Mingmen Guoji, 45 Nongye Rd East, Zhengzhou, Henan Province China. Post Code: 450008





  Previous product: Sodium Thiocyanate
  Next product: None

<menuitem id="euld8"></menuitem>
  • <ul id="euld8"><label id="euld8"></label></ul>
      <span id="euld8"></span>
    <samp id="euld8"></samp>

    <cite id="euld8"></cite>

    1. <p id="euld8"><form id="euld8"></form></p>
    2. 国产精品流白浆在线观看,精品久久久久久中文字幕色欲,无码中字日韩经典,狠狠色噜噜狠狠狠狠色综合久,国产末成年女AV片,亚洲欧美中文日韩aⅴ手机版,中文字幕在线制服丝袜 黄片无码免费观看 成年影片免费观看三十分钟 xxxx性中国无码 秒拍88大尺度福利视频 亚洲午夜福利在线无码 免费看午夜福利专区 成人女人A级毛片免费软件