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Phosphonates
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- Phosphonates are also known
as phosphonic acids
- They are organic compounds
containing like C-PO(OH)2 or C-PO(OR)2 groups R denoted as alkyl,
aryl.
- Phosphonic acids are well
known and effective chelating agents.
- Phosphonates are
effective water-soluble.
- Phosphonic acids are only
sparingly soluble in water.
- Phosphonates are not
volatile and are poorly soluble in organic solvents.
- Naturally occurred
phosphonate is 2-aminoethylphosphonic acid.
- An important industrial use
of phosphonates is in cooling waters, desalination systems, and in oil
fields to inhibit scale formation.
- Phosphonates are also
regularly used in reverse osmosis systems as anti-scalants.
- Phosphonates in cooling
water systems also serve to control corrosion of iron and steel.
- They serve as "peroxide
bleach stabilizers" in pulp and paper manufacturing and in textile
industry by chelating metals that could inactivate the
peroxide.
- Consumption of phosphonates
was 56,000 tons worldwide - 40,000 tons in the US, 15,000 tons in Europe
and less than 800 tons in Japan.
- Phosphonates are also used
to treat "sudden oak death", which is caused by the fungus like
eukaryote Phytophthora ramorum.
- Toxicity of phosphonates to
aquatic organisms is low.
- In phosphonate
degradation nature bacteria plays a major role.
- Aminophosphonates can also
be used as sole nitrogen source by some bacteria.
- Phosphonates are present
mainly as Ca and Mg-complexes in natural waters and therefore do not
affect metal speciation or transport.
- Phosphonates can also be
synthesized via transesterification reaction catalyzed by organic
catalysts.
- α-aminophosphonate is
prepared by condensation of benzaldehyde, aniline, and trimethyl
phosphite catalyzed by Copper triflate in a one-pot synthesis.
- The utilities of
alpha-aminophosphonates as peptide mimics, haptens of catalytic
antibodies, enzyme inhibitors, inhibitors of cancers, tumours, viruses,
antibiotics and pharmacologic agents are well documented.
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General
- Environmental chemistry of
phosphonates
- Phosphonates as additives in
Kraft pulping
- Phosphonates
- How we design phosphonate
products
- Cublen phosphonates
- What are phosphonates
- Transformation of
phosphonates
Application
- Alkaline earth metal
Phosphonates
- Application of
Water
Soluble Phosphorus
- Phosphonate testing
- Phytophthora and
Phosphonates
- Biodegradable Polymeric
Matrices
- Sequestrants
- Using Phosphonates
Effectively to Control
Phytophthora
- Phosphonates utilization in
marine
- Detergent related
applications
MSDS
- Phosphonates-Accepta
- Diethyl phosphonate
- Dimethyl phosphonate
- Potassium phosphonate
- SiMAG-Phosphonate
- Aliette-Phosphonate
- Tetradecyl
Phosphonate
Products
- Understanding the
Phosphonate products
- Phosphonate products
- Organic Phosphonate
Salts
Patent
- Phosphates and
phosphonates
- Aryl phosphonates
- Chlorine -Bromine
mixtures
- Novel phosphonate based
compound
- Phosphonate decomposition by
chlorine
Study
- Dissolution of
Calcium
Phosphonates
- Quantitative Analysis of
organic phosphonates
- Degradation of
Phosphonate
- Phosphonates and Their
Degradation by Microorganisms
- Phosphonates
onto
goethite
Toxicity
- Synthetic organic compounds
and the toxic metal ions
- Risk assessment of
phosphonates
- Phosphonates-HERA
- Phosphonate
LR1-Toxicity
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Suppliers
- Suppliers from
Ahemadabad
- Suppliers from
Bangalore
- Suppliers from China
- Suppliers from
Gujarat
- Suppliers from Pune
Turnkey
Providers
- Turnkey provider from
Canada
- Turnkey provider from
Taiwan
Raw material
suppliers
- Aminoethyl Phosphonic Acid
and its Suppliers list
Company
profiles
- Company from Gujarat
- Company from
Maharashtra
- Company from
Gujarat
- Company from
Maharashtra
- Company from Gujarat
- Company from Mumbai
- Company from USA
Consultancy
- Consultancy from
International
- Consultancy from
London
- Consultancy from New York
- Consultancy from USA
Market
- H-Phosphonates
- Phosphonates Producers Feel
Energy Pinch-2004
Report
- Phosphonates occurrence and
utilization
- Treatability study summary
for phosphonate removal
Projects
- Alkyl-Phosphonates a modular
approach
- Cage Complexes With
Phosphonates
- Review of
Phosphonates
Synthesis
- H-phosphonate
synthesis
- Antiviral Activity of
Adenosine 5-Phosphonate
- Synthesis of
triazoloacyclonucleotide phosphonates
- Hydrolysis of
Phosphonates
- Synthesis of
phosphonates
- Novel Metal
Phosphonate
- Phosphonate Ester
- Synthesis of
novel
phosphonates
- Synthesis of
Amino-phosphonates
- Zirconium
Phosphonates
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