Citric Acid Anhydrous

We are offering citric acid anhydrous
we are professional manufacturer of urotropine with many years of experiences of producing and exporting , we are becoming an group entity with manufacturing, foreign trade, international investment and so on . century resouces international investment limited as a member of group , is specializing in foreign trade and international investment .
if you need this products, pls contct us by feedback and tell me your direct contact , many thanks !
here is specifications as below :
quality standard of citric acid anhydrous
item
unit
bp93
bp98
usp24
standard of enterprise
description
colourless crystals or crystal powders
identification
pass
pass
pass
pass
content
%
99.5-101.0
99.5-101.0
99.5-100.5
e99.8%
moisture
%
d1.0
d1.0
d0.5
d0.20
barium
pass
pass
/
pass
calcium
ppm
d200
d200
/
d200
iron
ppm
d50
d50
/
d10
arsenic
ppm
d1
d1
d3
d1
heavy metals(as pb)
ppm
d10
d10
d10
d5
oxalate
ppm
d350
d100
pass
d100
chloride
ppm
d50
d50
/
d50
sulphate
ppm
d150
d150
pass
d150
carbonisables
not darker than the standard
sulphated ash
%
d0.1
d0.1
d0.05
d0.03
volatile organic impurities
/
/
pass
pass
lead
ppm
/
d1
/
d1
aluminium
ppm
/
d0.2
/
d0.2
bacteria endotoxin
iu/mg
/
d0.5
/
d0.5