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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
1. Calcium Chloride
2. Molecular Formula: CaCl2
3. CAS No.: 10043-52-4
4, use: Ice melting, oil driling
1. Properties:
Calcium chloride passes for white block or powder, having a strong hygroscopic, relative density 215, melting point, 1935.5 ° C° C 775 boiling point. Soluble in water...
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
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Since the establishment, hkzs, staffed with a young professional team, has been striving to satisfy our customers worldwide through a good understanding...
Group: Copper sulphate
In stock
SPECIFICATIONSTANDARD
AppearanceFree flowing white granular
Active oxygen content13.0% min.
Iron20ppm max.
Moisture2.0% max.
Bulk density g/ml0.7-1.1
pH value(30g/l water solution)10-11.
Group: Sodium percarbonate
In stock
SPECIFICATION
STANDARD
Assay(as C4H6O5)
99.0% Min.
Clarity
Clear
Specific Rotation
-1.6~ -2.6
Arsenic(as As2O3)
2.0mg/kg Max.
Oxide
Qualified
Heavy Metals(as Pb)
20mg/kg Max.
Residue...
Group: Food acids
In stock
ITEM
STANDARD
Purity (NH4Cl)
Moisture
Residue After Ignition
Iron Content (As Fe)
Heavy Metals (As Pb)
Sulphate (As SO4)
PH Value
99.5% min.
1.0% max.
0.4% max.
0.001% max.
0.0005% max.
0.02% max.
4.2 - 5.8
Group: Ammonium chloride
In stock
Since the establishment, hkzs, staffed with a young professional team, has been striving to satisfy our customers worldwide through a good understanding of their individual and distinctive needs and providing value-added services.
Items
Specification
Ca(NO3)2 · 4H2O
...
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