Sodium Carbonate
Indicator name Industrial-grade Food grade
Total alkali content(Na2CO3)% ≥ 99.2 99.2
Sodium chloride(NaCl)% ≤ 0.7 0.7
Iron(Fe)% ≤ 0.0035 0.004
Sulfate(SO4)% ≤ 0.03 0.001
Water insoluble matter% ≤ 0.03 0.000 2
Loss on ignition2) % ≤ 0.8 0.8
Packing density(g/ml) ≤ 0.9 0.03
Particle size, 180μm sieve residue% ≤ 70
Soda Ash Light (kg / bag) Heavy soda ash (kg / bag) Remarks
40 50 Composite plastic woven bags, flexible container bags packing
750 1000
Other supplier products
|
|
Toluene-2,4-diisocyanate |
Test items Index
Isocyanate % ≥99.0
Saponifiable chlorine % ≤0.01
Chlorine % ≤0.04
Crystallizing point℃ % 5.0-6.5
Chromaticity (Hazen... |
|
|
Resin-specific adsorption of gold |
Indicator Parameter
Functional group -N+(CH3) 2H2O
Appearance Milky white opaque sphere
Finished form CLˉ
Moisture content % 45-55
Weight... |
|
|
Hydrogen fluoride |
HF:≥99.95%;
H2O:≤0.03%;
SO2:≤0.007%;
H2SO4:≤0.005%;
H2SiF6:≤0.010%. |
|
|
Sodium Sulphide |
Class 1 Class 2 Class 3
Test items Superior grade A first-rate product Acceptable product A first-rate product Acceptable product
Sodium Sulphid... |
|
|
DL-Methionine |
Project Name Quality indicators
Superior grade First grade
Shape White or light gray powder
DL-Methionine% ≥ 99 98.5
Loss on drying% &le... |
All supplier products
Same products