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Director
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In stock
Na2S2O5 97% min.
SO2 65%min.
Iron 0.005%max.
Water insoluble matter 0.05%max.
Heavy metals as Pb 0.001%max.
Arsenic 0.0001%max.
pH 4-4.5.
Group: Sodium metabisulfite
In stock
ITEM
STANDARD
Calcium Chloride ( as CaCl2)
Magnesium& Alkali Metal Chloride(as NaCl)
Water Insoluble
Alkalinity ( as Ca(OH)2)
Sulphate (as CaSO4)
Heavy Metal (as Pb)
Arsenic ( as As )
77.0% min.
4.5% max.
0.1%max.
0.2% max.
0.2%...
Group: Calcium chloride
In stock
ITEMSTANDARD
Assay (Na5P3O10)
Phosphorus Pentoxide (P2O5)
Fe
Bulk density
pH
Whiteness
Water Insoluble 94% min.
57% min.
0.015% max.
0.5 g/cm3-0.99 g/cm3
9.2-10.0
85% min.
0.1% max.
Group: Sodium tripolyphosphate
In stock
ITEM (Light)STANDARD
Assay
Sodium Chloride (As NaCl )
Iron (Fe)
SO4
Water insoluble
99.2% min.
0.5% max.
0.004% max.
0.03% max.
0.04% max.
ITEM (Dense)STANDARD
Na2CO3
NaCl
Fe
Water Insoluble
Bulk Density
Granular...
Group: Soda ash
In stock
Items
Specification
CuSO4· 5H2O
98.3% min.
Cu
25% min.
Pb
0.002% max.
As
0.002% max.
Cd
0.002% max.
Free acid
0.3% max.
Insoluble
0.2% max.
Mesh
20-80mesh
Group: Copper sulphate
In stock
SPECIFICATION
STANDARD
Description
White or transparent Powder
Content
99.5%-101.0%
Clarity and color of solution
Clear
Barium
Pass test
calcium
200ppm max.
Iron
50ppm max.
Chloride
...
Group: Monohydrate acidum citricum
In stock
ITEM
STANDARD
ZnCl2
ZnO
So4
Fe
Pb
Ba
Zinc plate cauterization
98.0% min.
1.2%-1.8% max.
0.01% max.
0.0005%max.
0.0005% max.
0.1% max.
passed
Group: Zinc chloride
In stock
SPECIFICATION
STANDARD
Content(base on C7H6O2)
99.0% min.
Range of melting point,
121-123
Soluble in acid
Clear liquid
Readily carbonizable substance
Passed the test
Group: Bensoid acid
In stock
SPECIFICATION
STANDARD
Content
98% min.
Carrier
Corn cob
Loss on drying
2% max.
Partical size(through 20mesh)
95% min.
TMA
300PPM MAX.
Group: Industrial chemistry
In stock
1, character
Sodium hydroxide is achromatic and transparent solution, its proportion is 1.291. The solid Sodium hydroxide is white solid or pieces, its proportion is 2.13, show alkali character, having strong causticity to skin, weaves and sheet. In the air it will absorb the carbon dioxide and...
Group: Hydrate of sodium
