Silicic acid, lithium magnesium sodium salt

Nanomaterial pour density

Administrative data

Endpoint:

nanomaterial pour density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

03/2015

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

test procedure in accordance with generally accepted scientific standards and described in sufficient detail

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2015

Report date:

2015

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

other: Real-time instruments and off-line Transmission Electron Microscopy (TEM) analysis

Deviations:

not applicable

Principles of method if other than guideline:

There is no guideline for this test.

GLP compliance:

no

Details on methods and data evaluation:

PLACEHOLDER: CLARIFY WITH PAT

Test material

Test material information

Constituent 1

Reference substance name:

Silicic acid, lithium magnesium sodium salt

EC Number:

258-476-2

EC Name:

Silicic acid, lithium magnesium sodium salt

Cas Number:

53320-86-8

Molecular formula:

Na0.7[Li0.3Mg5.5Si8O20(OH)4]

IUPAC Name:

magnesium(2+) lithium(1+) sodium bis(oxosilanebis(olate))

Test material form:

solid: particulate/powder

Specific details on test material used for the study:

PLACEHOLDER: THE STUDY COVERS BOTH LAPONITE TYPE 1 AND LAPONITE TYPE 2.

Data gathering

Instruments:

- Transmission Electron Microscopy (TEM)

- P-trak and Aerotrak instruments
- Scanning Mobility Particle Sizer (SMPS)
- Electrical Low Pressure Impactor (ELPI+) for the measurement of particle number concentration and size distribution
- marple cascade impactors for gravimetric analysis (for mass-based size distribution);
- additional samplers for TEM.