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Diss Factsheets

Physical & Chemical properties

Additional physico-chemical information

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Administrative data

Endpoint:
other: representative mineralogy
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: non GLP but other quality assurance
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Principles of method if other than guideline:
Chemistry /elemental analysis was determined using ICP (inductively Coupled Plasma spectroscopy). Metal speciation/metal mineralogy was assessed from Sequential extraction/metal analysis and mineralogical analysis (XRD and microscopes equipped with EDS (Energy Dispersive Spectrometry) and WDS (Wavelength Dispersive Spectrometry) analysers. The interpretation of the overall results was performed by expert (with profound knowledge of metal particularities).
GLP compliance:
no
Remarks:
other quality assurance

Test material

Constituent 1
Reference substance name:
Lead, dross, copper-rich
EC Number:
273-925-2
EC Name:
Lead, dross, copper-rich
Cas Number:
69227-11-8
Molecular formula:
Molecular weigth/formula concept not applicable to Inorganic UVCB (comlex metal containing substance)
IUPAC Name:
Lead, dross, copper-rich

Results and discussion

Results:
The studied copper rich lead dross sample 09TT11158 contains 84.8% lead, 2.8% sulphur, 2.5% copper, 1.4% zinc, 0.8% antimony, 0.7% tin and traces of other elements.
The studied copper rich lead dross sample 09TT11172 contains 51.9% lead, 17.3% copper, 5.9% antimony, 5.2% tin, 4.6% arsenic, 2.6% sulphur 2.2% nickel, 1.5% iron and traces of other elements.
The studied copper rich lead dross sample 09TT08075 contains 61.6% lead, 14.5% sulphur, 9.8% iron, 7.7% copper, 1.2% tin, 1% antimony, 0.4% nickel, 0.14% arsenic and traces of other elements.

The studied copper rich lead dross sample 09TT11158 consists mainly of metallic lead (56.7%) and galena (17.1%). Other notable mineral phases are lead copper sulphide (9.8%), lead antimony arsenic oxide (7.8%), tin lead sodium oxide (5.9%) and zinc oxides / hydroxides (1.4%). Chalcocite and copper arsenides occur as accessory minerals and copper is mainly carried by lead copper sulphide.
The studied copper rich lead dross sample 09TT11172 consists mainly of metallic lead and galena (total 47.4%), chalcocite (13.8%), copper and iron arsenides (total 12.7%) and tin-rich sorosite,Cu3Sn (12.4%). Other notable mineral phases include tin nickel antimony alloys (4.1%), tin sodium oxides (2.9%), sphalerite (2.3%) and silver tin (1.2%).
The studied copper rich lead dross sample 09TT08075 consists mainly of metallic lead (45.9%), galena (16.9%), pyrite (15.1%), chalcopyrite (7.7%), rosaite, PbSb2O6 (5.2%), chalcocite (4.5%), bornite (2.2%) and nickel antimony tin silver alloy. Lead is mainly carried by metallic lead. Rosaite is the main carrier of antimony in this sample. Pyrite carries most of the iron and sulphur of this sample.

Any other information on results incl. tables

Chemical composition of reference samples.

ORC ref.

 

 

OR32

OR35

OR03

Sample

 

 

2000171/33

2000171/32

2000171/14

Lab code

 

 

09TT11158

09TT11172

09TT08075

Substance

 

Lead dross, Cu-rich

Copper dross

Copper dross

EINECS

 

 

273-925-2

305-408-5

305-408-5

Consortium reference No.

33

11

11

 

 

 

 

 

 

As

P1

%

< 0.003

<0.008

<0.007

 

P2

%

< 0.009

0.43

0.027

 

P3

%

< 0.004

0.14

<0.009

 

P4

%

0.048

2.37

0.06

 

PSUM

%

0.048

2.94

0.087

 

TOT

%

0.072

4.64

0.14

 

 

 

 

 

 

Cu

P1

%

<0.003

<0.008

<0.007

 

P2

%

< 0.009

0.82

0.077

 

P3

%

0.34

10.70

4.78

 

P4

%

2.13

5.27

2.74

 

PSUM

%

2.47

16.79

7.60

 

TOT

%

2.54

17.3

7.71

 

 

 

 

 

 

Fe

P1

%

< 0.003

<0.008

<0.007

 

P2

%

0.02

0.29

0.43

 

P3

%

0.017

0.11

0.38

 

P4

%

0.031

0.81

8.36

 

PSUM

%

0.068

1.22

9.16

 

TOT

%

0.066

1.46

9.77

 

 

 

 

 

 

Ni

P1

%

< 0.003

<0.008

<0.007

 

P2

%

< 0.009

0.121

<0.019

 

P3

%

< 0.004

0.084

0.013

 

P4

%

0.056

0.99

0.33

 

PSUM

%

0.056

1.20

0.34

 

TOT

%

0.062

2.17

0.38

 

 

 

 

 

 

Pb

P1

%

0.44

0.012

11.80

 

P2

%

0.14

0.45

0.22

 

P3

%

0.71

0.38

0.83

 

P4

%

82.50

48.50

51.20

 

PSUM

%

83.79

49.34

64.05

 

TOT

%

84.80

51.90

61.60

 

 

ORC ref.

 

 

OR32

OR35

OR03

Sample

 

 

2000171/33

2000171/32

2000171/14

Lab code

 

 

09TT11158

09TT11172

09TT08075

Substance

 

Lead dross, Cu-rich

Copper dross

Copper dross

EINECS

 

 

273-925-2

305-408-5

305-408-5

Consortium reference No.

33

11

11

 

 

 

 

 

 

Ag

KEM

%

< 0.002

0.788

0.012

B

KEM

%

N/A

N/A

N/A

Bi

TOT

%

<0.005

0.316

< 0.010

Cd

TOT

%

0.042

0.197

0.028

Co

TOT

%

< 0.002

0.116

0.004

Mo

TOT

%

< 0.002

0.004

< 0.004

Sb

TOT

%

0.82

5.92

0.965

Se

TOT

%

0.014

0.373

0.052

Sn

TOT

%

0.71

5.2

1.18

Te

TOT

%

<0.010

0.474

< 0.019

Zn

TOT

%

1.39

0.877

0.056

 

 

 

 

 

 

SiO2

KEM

%

0.34

0.331

0.251

Al2O3

TOT

%

0.027

0.015

<0.007

CaO

TOT

%

0.039

0.31

0.213

Cr2O3

TOT

%

0.025

<0.006

<0.006

K2O

TOT

%

< 0.06

0.476

0.117

MgO

TOT

%

0.01

0.179

0.019

MnO

TOT

%

0.036

0.03

<0.005

Na2O

TOT

%

0.4

0.585

0.166

(SO4)2

KEM

%

0.36

0.365

0.553

 

 

 

 

 

 

S

LECO

%

2.83

2.59

14.5

C

LECO

%

0.22

0.11

0.16

 

 

 

 

 

 

Satmagan

 

%

0

0.22

0.11


 

 


Applicant's summary and conclusion

Conclusions:
Good quality study that assessed full chemistry and mineralogy of two representative samples of lead dross copper rich/copper dross. The mineralogy (and the distribution pattern for each key element, i.e. % from Total into the various mineralogical forms/species present into the UVCB) of the reference samples can be used to derive the classification of lead dross copper rich (or copper dross) samples (mixture toxicity rules).
Executive summary:

The studied copper rich lead dross sample 09TT11158 consists mainly of metallic lead (56.7%) and galena (17.1%). Other notable mineral phases are lead copper sulphide (9.8%), lead antimony arsenic oxide (7.8%), tin lead sodium oxide (5.9%) and zinc oxides / hydroxides (1.4%). Chalcocite and copper arsenides occur as accessory minerals and copper is mainly carried by lead copper sulphide.

The studied copper rich lead dross sample 09TT11172 consists mainly of metallic lead and galena (total 47.4%), chalcocite (13.8%), copper and iron arsenides (total 12.7%) and tin-rich sorosite,Cu3Sn (12.4%). Other notable mineral phases include tin nickel antimony alloys (4.1%), tin sodium oxides (2.9%), sphalerite (2.3%) and silver tin (1.2%).

The studied copper rich lead dross sample 09TT08075 consists mainly of metallic lead (45.9%), galena (16.9%), pyrite (15.1%), chalcopyrite (7.7%), rosaite, PbSb2O6 (5.2%), chalcocite (4.5%), bornite (2.2%) and nickel antimony tin silver alloy. Lead is mainly carried by metallic lead. Rosaite is the main carrier of antimony in this sample. Pyrite carries most of the iron and sulphur of this sample.

The mineralogy of the reference samples can be used to derive the classification of both samples but also to predict the mineralogy of other lead dross copper rich (or copper dross) samples. The calculator sheet, which is used to derive the classification and which reflects particular assumptions that are made, can be found in attachment above (attached background material).