January 2005 MATERIAL SAFETY DATA SHEET
"MAIDENWELL DIATOMITE"
IDENTIFICATION
Product Name: Maidenwell Diatomite (-7mm+2mm) premium grade
Maidenwell diatomite (-2mm+0.5mm) premium grade
Maidenwell Diatomite (-15mm +7mm) premium grade
Uses: Pet litter and for absorbing water, oil and chemical spills, growing medium for
Roses, Orchids, Gerberas, all gardens, pot plants & Hydroponics (aeration &
slow release of water and nutrient) in horticulture.
Physical Description: Granules (2mm to 7mm), (0.5mm to 2mm), (7mm to 15mm) and (+15mm)
INGREDIENTS
Maidenwell Diatomite (diatomaceous earth) is composed principally of
amorphous silicon dioxide containing almost no detectable crystallinity, in
particular, no cristobalite, tridymite or quartz were detectable, at detection
limits of around 0.1% .
HEALTH HAZARD INFORMATION
Swallowed: Not applicable.
Eye: Particles will irritate the eye in the same way as any other foreign body.
Skin: Not applicable.
Inhaled: The only route of entry, all fine dust has been removed prior to sale.
PRECAUTIONS FOR USE
Exposure Limits: Due to the low levels of hazardous substances, this material is essentially
non-toxic and non-hazardous. Exposure standards for nuisance dust apply.
Ventilation: If dust (material of particle size less than 10 microns and invisible to the
naked eye) is created (eg. by grinding or milling) when using this product,
precautions for use should be followed: Ensure there is adequate ventilation
of the work area.
Personal Protection: Where respiratory protection is required, use a respirator of particulate
standard described in A.S. 1715 and 1716.
Flammability: The material is not flammable.
SAFE HANDLING INFORMATION
Storage and Transport: There are no special hazards.
Spills and Disposal: Not Applicable.
Fire/Explosion Hazard: None.
CONTACT POINT
Further information (Amdel Limited Report 6A05424) can be obtained from the supplier on the following Telephone and/or Facsimile numbers.
Maidenwell Diatomite Australia Pty. Ltd. Email: mmaidenw@bigpond.net.au
A.B.N. 87 061 785 395 Website: www.maidenwell.com
Tel: (07) 3843 1182 International: + 61 7 3843 1182
PO Box 245 Carina, Qld. 4152 Australia. Fax:(07) 3843 1852 International: + 61 7 3843 1852
“Maidenwell Diatomite” Technical Information 24th January 2005
“Maidenwell Diatomite” is a rich source of plant available silica which is widely documented to stimulate Self Acquired Resistance (SAR) in plants thereby increasing their resistance to disease. Maidenwell Diatomite consists of the skeletal remains of microscopic single cell aquatic plants known as diatoms. These small plants developed an opaline silicious shell like armour for protection, upon the death of these plants the fossil shells accumulated on the beds of these fresh water lakes and compacted into lightweight porous rock.
PHYSICAL PROPERTIES
Colour....................................................................................White, cream to yellow
Moisture.................................................................................................Approx. 6%
Bulk Density............................................................................................Approx.0.4
pH ...........................................................................................….....................…5.7
EC (Electrical Conductivity)………..….(mS/cm) = 0.05 – Little to no salt content
TOTAL ELEMENTAL ANALYSIS
Category Element Results: Comments
Major Elements % Nitrogen (N) 0.013 low
Phosphorous (P) 0.083 low
Potassium (K) 0.087 low
Minor Elements % Calcium (Ca) 0.014 low
Magnesium (Mg) 0.185 some magnesium present
Sulphur (S) 0.0030 low
Sodium (Na) 0.092 good – low sodium salts
Chloride (Cl) 0.0012 good – low chloride salt
Trace Elements mg/kg Iron (Fe) 31100 very good iron content
Manganese (Mn) 19 low
Zinc (Zn) 110 OK can be of some use in agriculture
Copper (Cu) 8.2 low
Boron (B) 0.85 low
Molybdenum (Mo) 1.7 low
Heavy Metals mg/kg Arsenic (As) 4.6 low – good
Cadmium (Cd) <0.5 below detection limits – good
Cobalt (Co) 5.8 low – good
Chromium (Cr) 7.1 low – good
Lead (Pb) 7.4 low – good
Mercury (Hg) <0.2 below detection limits – good
Selenium (Se) 0.61 good
Nickel (Ni) 9.9 good
Silver (Ag) <0.5 below detection limits – good
Iron and silica levels are quite good and should make a positive contribution to plant nutrition. Both total and water soluble silica levels are very good, making this product a suitable growing media. There are no heavy metal contaminant concerns with the use of this product.
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