Acids Inorganic

Sr

no.

Tests

Specifications

Results

1

Description

White powder

White powder

2

Assay

Min. 99.5%

99.56%

3

Substance insoluble in alcohol

Passes test

Passes test

4

PH (3.3% water)

3.8 — 4.8

4.2

5

Sulphate (SO4)

<0.04%

0.001%

6

Heavy metals (as Pb)

<0.0015%

<0.0015%

7

Arsenic (As)

<0.0008%

<0.0008%

8

Sodium (Na)

<0.002%

<0.002%

9

Organic impurities

Passes test

Passes test

10

Loss on drying (5hr’s over silica gel)

<0.5%

0.35%

Sr

no.

Tests

Specifications

Results

1

Description

Clear colorless liquid

Clear colorless liquid

2

Assay

69 - 72%

71.73%

3

Wt /ml at 20°C

1.41 - 1.42g

1.418g

4

Non–volatile matter

<0.01%

<0.01%

5

Hydrochloric acid (HCl)

<0.005%

<0.005%

6

Sulphuric acid (H2SO4)

<0.01%

<0.01%

7

Arsenic (As)

<0.0001%

<0.0001%

8

Iron (Fe)

<0.005%

<0.005%

9

Lead (Pb)

<0.0005%

<0.0005%

Sr

no.

Tests

Specifications

Results

1

Description

A white powder

A white powder

2

Assay (Min)

99.0%

99.10%

3

Melting point

158 - 161°C

158°C

4

Sulphated ash

<0.05%

0.04%

5

Heavy metals (as Pb)

<0.0005%

<0.0005%

6

Chloride (Cl)

<0.005%

0.004%

7

Sulfate (SO4)

<0.01%

0.008%

Sr

no.

Tests

Specifications

Results

1

Description

Colorless hygroscopic crystals

Colorless hygroscopic crystals

2

Assay (Min.)

98.0%

98.31%

3

Assay of phosphoric acid

(H3PO4)

<1.0%

0.25%

4

Heavy metals (as Pb)

<0.001%

<0.001%

5

Chloride (Cl)

<0.001%

0.0006%

6

Sulfate (SO4)

<0.001%

0.0005%

7

Iron (Fe)

<0.005%

0.003%

Tests

Specifications

Results

Description

A clear fuming liquid, not more than 10 hazen units in colour

A clear fuming liquid, not more than 10 hazen units in colour

Assay (Min.)

35.4 %

36.10%

Non-volatile matter

<0.001%

<0.001%

Free chloride (Cl)

<0.0002%

0.00015%

Sulphate (SO4)

<0.0005%

0.0003%

Sulphide (SO3)

<0.0001%

0.00005%

Ammonium (NH4)

<0.0003%

0.0002%

Arsenic (As)

<0.000002%

<0.000002%

Copper (Cu)

<0.00001%

<0.00001%

Iron (Fe)

<0.00004%

0.00003%

Lead (Pb)

<0.00005%

<0.00005%

Aluminium (Al)

<0.00005%

<0.00005%

Tests

Specifications

Results

Description

Colourless to brown fuming liquid

Colourless to brown fuming liquid

Assay (Min)

55.0%

55.93%

Arsenic (As)

<5ppm

<5ppm

Chloride &bromide (as Cl)

<0.05%

<0.05%

Heavy metals (as Pb)

<0.001%

<0.001%

Iron (Fe)

<0.001%

0.0005%

Stabilizer (H3PO2)

<1.5%

<1.5%

Sulphate (SO4)

<0.005%

<0.005%

Tests

Specifications

Results

Description

Aclear,colorless to pale yellow colored liquid whichbecomes brown on storage.

Aclear, pale yellow colored liquid which becomes brown on storage.

Assay(HBr)

47.0-49.0%

48.1%

Specific gravity

1.5g

1.4984g

Arsenic ( As )

<0.5 ppm

<0.5 ppm

Chloride ( Cl )

<0.003%

<0.003%

Heavy metal (asPb)

<5 ppm

<5 ppm

Iodide(l)

Passes test approx0.003%

Passes test approx0.003%

Iron (Fe)

<1 ppm

<1 ppm

Organic substance

Passes test

Passes test

Phosphate(PO4)

<0.003%

<0.003%

Residue on ignition

<0.003%

0.0015%

Selenium (Se)

Passes test approx 0.01

ppm

Passes test

approx 0.01 ppm

Sulphate &sulphide

(as SO4)

<0.003%

<0.003%

Sr

no.

Tests

Specifications

Results

1

Description

Clear colorless liquid

Clear colorless liquid

2

Assay (Min.)

70.0 to 72.0%

70.24%

3

Specific gravity

About 1.67g

1.67g

4

colour

Max. APHA 10

APHA 10

5

Chloride (Cl)

<0.001%

0.0008%

6

Heavy metals (as Pb)

<0.0001%

<0.0001%

7

Iron (Fe)

<0.0001%

0.00005%

8

Nitrogen compound (N)

<0.001%

0.0006%

9

Residue after ignition

<0.003%

0.002%

10

Silicate & phosphate (as

SiO2)

<0.0005%

<0.0005%

11

Sulphate (SO4)

<0.001%

0.0006%

Sr

no.

Tests

Specifications

Results

1

Description

White crystalline powder

White crystalline powder

2

Assay (Min.)

99%

100.5.%

3

Melting point

124-127°C

124°C