麻花传媒剧在线mv观看免费,一级a一级a爱片免费免免,三AAAAAA级黄片性奴,亚洲三级aV多人轮换,一级a一级a爱片免费免免,三AAAAAA级黄片性奴,亚洲三级aV多人轮换

聯(lián)系我們
石家莊市裕華區(qū)翟營(yíng)南大街39號(hào),新界商務(wù)北樓1單元808室
電話:0311-68090739
傳真:0311-68090739
您的位置:首頁(yè) > 產(chǎn)品展示 Sodium Sulphite Anhydrous 97%
Sodium Sulphite Anhydrous 97%
ITEMSPECIFICATIONNA2SO3 CONTENT:97.0 %MINSODIUM SULPHATE:2.5%MAXSODIUM CHLORIDE (NACL):0.10%MAXIRON (FE) :0.002%MAXARSENIC ( AS ) :0.0002% MAXHEAVY METALS ( AS PB) :0.0005% MAXWATER INSOLUBLE :0.05%MAX Property: white gravel or powder crystal,relative…

ITEM

SPECIFICATION

NA2SO3 CONTENT:

97.0 %MIN

SODIUM SULPHATE:

2.5%MAX

SODIUM CHLORIDE (NACL):

0.10%MAX

IRON (FE) :

0.002%MAX

ARSENIC ( AS ) :

0.0002% MAX

HEAVY METALS ( AS PB) :

0.0005% MAX

WATER INSOLUBLE :

0.05%MAX

 

Property: white gravel or powder crystal,relative density is 1.561, less to dissolve in water and its water solution has alkaline reaction; it is hard to dissolve in ethanol. It is used to produce chloroform,solasulfone and Benzaldehyde in medical industry.
Appearance : White Free Flowing Fine Crystal or Powder
 
Application :
(1) Industry Grade : Used in Dyeing and printing Industry ,as dechlorinating agent and bleaching agent, in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in papermaking, electronic and water treatment industry.
(2) Food Grade: In food industry as additive (E223) preservative, antioxidant and antimicrobic for fruits (dried, glazed and candled), vegetables (onions, potatoes, etc.), juices (citrus and grapes) and fish (shrimps and prawns). In silage treatment as antifermentative. In starch and sweeteners production as bacteriostatic.
(3) Photo Grade: In the photographic industry as component of developer bath .
(4) Pharmaceutical Grade : pharmaceutical industry for the production of chloroform, benzene and formaldehyde phenylpropanoid Sulfone
 
Packing: Packed in 25kg plastic woven bag, Kraft paper bag, PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer’s requirement
 
Storage: Store the product in a dry and cool place.