中韩高清无专码区2021曰_色翁荡熄又大又硬又粗又视频图片_波多野结衣乳巨码无在线观看_国产91福利在线播放_国产人妻人伦精品_马来西亚潜水天堂_黄色免费网站下载_免费看黄网站黄污污污热门软件_小莹客厅激情46章至50章视频

China EDTA-NA4 - China Supplier
China EDTA-NA4 - China Supplier

EDTA-NA4

Price:Negotiable
Industry Category: Chemicals/Chelating Agents/EDTA & Its Salts
Product Category:
Brand:
Spec:


Contact Info
  • Add:Yurun Building, Gaoxin District, Weifang City, Shandong, China, Zip: 261041
  • Contact: Ms.Rachel Yuan
  • Tel:+86-536-8164977
  • Email:[email protected]

Other Products

Description
Additional Information

Product Description
 

 

Product name: Ethylenediaminetetraacetic acid tetrasodium salt
English name: EDTA-4Na·4H2O/EDTA-2Na (Tetrasodium EDTA)
CAS NO.: 13254-36-4
Molecular formula: C10H14N2Na4O8·4H2O
Molecular weight: 452.2

 

Product Usage

 



Properties: white crystal powder; easily soluble in water; lightly soluble in organic solvent, for example, ethyl alcohol
Uses: It is widely used chelation agent of metal ion. It is used for textile dyeing, water treatment, color photography, medical, daily chemical and papermaking industry. It is used as additive, active agent, water purifying agent, smoke agent for shielding of metal ion and active agent of butadiene styrene rubber.

 

Product Specification

 


EDTA-4Na/EDTA-Na 4


 


PRODUCT NAME

Ethylene Diamine Tetraacetic Acid Tetrasodium
(EDTA-4Na)
 

QUANTITY
20MT
  PACKAGE

 25kg/bag

BHTCH  NO:
YR2021042416
 MFG DATE
   
EXP DATE 3YEARS

TEST ITEM

STANDARD

TEST RESULT

APPEARANCE

White crystalline powder

White crystalline powder

рН  1% р-р  25°C
10.5-11.5 11.2

Purity %
99.0 99.6

Chelate Value(mg/g)
220 225

NTA%
1 0.2

Heavy metals (for ex, Pb) ppm
0.001 0.0007

Fe, %
0.001 0.0008

Chlorides, %
0.001 0.0007

Sulfate,%
0.01 0.002

TEST CONCLUSION

PASS



EDTA-2Na/EDTA-Na 2



 


PRODUCT NAME

Ethylenediamine tetraacetic acid disodium
( EDTA-2Na)
 

QUANTITY
      30MT
  PACKAGE

 25kg /bag

BATCH  NO:
     YR2021021516
 MFG DATE
  
EXP DATE 3 YEARS

TEST ITEM

STANDARD

TEST RESULT

APPEARANCE

White crystalline powder

White crystalline powder

рН  5% р-р  25°C
4.0-5.0 4.3

Purity %
99.0 99.5

Clarity test
PASS PASS

Chelate Value(mg/g)
260 265

Heavy metals (as Pb) %
0.001 0.001
Fe, % 0.001 0.001

Chlorides, %
0.05 0.01

SO4,%
0.001 0.0007

NTA,%
--- ---

TEST CONCLUSION

PASS



EDTA-4NA Liquid


PRODUCT NAME

Ethylene Diamine Tetraacetic Acid Tetrasodium
SOLUTION 40%
(EDTA-4Na liquid)

QUANTITY
25MT
  PACKAGE

1T/IBC

BHTCH  NO:
YR2020111418
 MFG DATE
      
EXP DATE 3YEARS

TEST ITEM

STANDARD

TEST RESULT

APPEARANCE

Light yellow or amber liquid

Light yellow or amber liquid

рН 25°C
11.0-12.0 11.7

Concent %
39.0-40.0 40.0

Chelate Value(mg/g)
102-110 110

Heavy metals (for ex, Pb)
0.001 0.0007

Fe, %
0.001 0.0008

Chlorides, %
0.05 0.007

Sulfate,%
0.001 0.0007
NTA,% 0.1 0.08

Specific gravity 25/25ºC(g/ml)
1.26-1.35 1.30

Hazen
200 190

TEST CONCLUSION

PASS



 

Packaging & Shipping

 


25kg in PP bag with PE inner liner. 

 

Industry Category Chemicals/Chelating Agents/EDTA & Its Salts
Product Category
Brand:
Spec:
Stock:
Origin:
Copyright ? Toocle.com. All Rights Reserved.
(浙)-經(jīng)營性-2023-0192
ChatGlobal Chat Now