亚洲中文字幕精品久久

PRODUCTS
YOUR CURRENT POSITION:HOME >PRODUCTS
PRODUCTS

Phosphoric Acid Industrial Grade

Molecular Formula:H3PO4
Molecular Weight:97.99
CAS NO.:7664-38-2
Standard executed:GB/T 2091-2008

Appearance:Colorless, transparent and syrupy liquid.
Usage: Used as cleaner for printing circuit and used in electoplating,polishing,also for use of producing a variety of phosphates.
Packaging: 20L,200L plastic drums,iron+plastic drums,tanks or according to customer's demand.

■Specification

Item  Industrial Grade 
85% Phosphoric acid  75% Phosphoric acid
Excellent class  First class  Qualified Excellent class  First class  Qualified
Colority ≤ 20 30 40 20 30 40
Main contents,w/% ≥  85.0 85.0 85.0 75.0 75.0 75.0
Chloride(as Cl),w/% ≤ 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005
Sulphate(as SO4計),w/% ≤ 0.003 0.005 0.01 0.003 0.005 0.01
Iron(as Fe),w/% ≤ 0.002 0.002 0.005 0.002 0.002 0.005
Arsenic(as As),w/% ≤ 0.0001 0.005 0.01 0.0001 0.005 0.01
Heavy metals (as Pb),w/% ≤ 0.001 0.001 0.005 0.001 0.001 0.005

亚洲中文字幕精品久久