Krishna Chemicals
 

  CHEMICAL SPECIFICATIONS
"S"




SODIUM BICARBONATE REFINED
Characteristics Units IS:2124:2000 Specifications TCL Assured Specifications

Molecular Weight

    84
Total Alkalinity (as NaHCO3)
% min 99.0 99.54
pH
max 8.8 8.4
Chlorides (as Cl)
% max 0.06 0.06
Matter insoluble in water
% max 0.10 0.05
Sulphatos (as SO4)
% max 0.07 0.05
Iron (as )
% max 0.004 0.004
Heavy metals (as Pb)
ppm max 5 5
Arsenic (as Ast )
ppm max 1.5 1.5
Copper (as Cu)
ppm max 30 30



SODIUM BROMIDE
Test Results

Molecular Formula

NaBr
Sodium Bromide % by wt. when dry
99%
Chloride % by wt. (Max.)
0.05%
Bromates % by wt. (Max.)
0.001%
Heavy metals % by wt. (Max.)
0.001%
Iron % by wt. (Max.)
0.008%
Sulphates % by wt. (Max.)
0.06%
Moisture % by wt. (Max.)
5%
APSENTICMPPM (Max.)
10
Alkali % by wt. (Max.)
0.02%
Barium
To pass test



SODIUM HYDROXIDE PELLETS
Test Results

Packing
50kg. M.S. Drum with inside double linning
Description
White pellets, strongly Alkaline and Corrosive
Solubility
Soluble in Water in Ethanol
Assay
N.L.T. 96% of Total Alkali as NAOH
Carbonate
(NH2CO3) 1.5%
Chloride
(CL) 0.01%
Sulphate
(SO4) 0.05%
Potassium
(K) 0.1%
Sampling device
Use dry SS Spoon
Hazards and Precautions
1. Avoid contact with skin
2. Highly corrosive causes burns



SODIUM METAL
Item Specification

Assay (as Sodium Metal)
99.71%
Calcium
260 ppm
Chloride (as Cl)
<=50 ppm



SODIUM METHOXIDE POWDER
Test Results

Molucule Weight

54.04
Appearance
White, off white crystalline hygroscopic powder
Solution in Water
Practically clear (1gm in 10ml)
Purity
Min. 97%; Typical 98% +
Free Alkalinity
Max. 2%
Bulk Density
About 0.4-0.6 gm/ml (Compacted)



SODIUM METHOXIDE SOLUTION
Test Results

Description
Clear colourless liquid
Miscibility
Miscible with Methanol
Assy % (w/w)
29.00 - 31.00
NAOH & NA2CO3AS H2O (Free Alkali)*
0.20% Max.
NAOH & NA2CO3AS NAOH (Free Alkali)
0.44% Max.
* Free water below 1000 PPM.



SODIUM SULPHIDE
Test Results

Colour
Yellow
Sodium Sulphide (as Na2S) % by wt.
58% to 60%
Sodium Hydro Sulphate (AS NaHS) % by wt.
Max. 2.50
Sodium Compounds (AS Na2S2O3) % by wt.
Max. 2.00
Sodium Sulphate (AS Na2S2O4) % by wt.
Max. 0.20
Sodium Chloride (AS Nz01)
Max. 1.00
Water insolubles (other than Iron compounds) % by wt.
Max. 0.25



STABLE BLEACHING POWDER
Test Results

Appearance
Free flowing Powder
Available Chlorine
35.57%
Stability by Parts
20 No.
Moisture
0.2%
Particle Size-20Mesh
99.7%
Grade
Grade - I



STANNOUS CHLORIDE
Test Results

Appearance
Colourless Crystalline Solid
ASSAY
97% Min.
Heavy Metals (as Pb)
0.02% Max.
Iron
0.02% Max.
Solubility
Should form clear soln. of 10gms. solid in 100 ml Conc., HC1 at 30°C very easily