IZASA is the southern Africa arm of the International Zinc Association (IZA). IZA membership includes 65/% of the global zinc mining industry and 75% of the zinc refining industry. This enables the IZA to truly represent the industry on all matters pertaining to its well being and it acts as a source of knowledge on all aspects of zinc use. Southern Africa has shown unprecedented growth over the past 5 years and IZASA strives to ensure that sustainable growth through relevant responsible use of zinc is ensured. IZASA acts as a focus for the industry in the southern Africa region providing a platform for industry discussion with governments, their institutions and other stakeholders.
IZASA provides your one stop link to everything on zinc.
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2010 Market Study
2010 Market Study on the South African Zinc Market
Annual Review 2010
> Go to Report Annual Review 2010 (file size 87 kb)
IZASA fertilizer program gathers momentum
After a successful conference in Kenya earlier this year, IZASA has been working closely with Zinchem and the fertilizer Society of South Africa to raise awareness of the importance of zinc in fertilizers in linking correct fertilization to nutrition and food quality. Sub-Saharan Africa still remains one of the poorest areas globally in terms of food generation and nutrition. Despite a population of 850m, only 2m tpy of fertilizers (or 1.2% of the global total) is consumed in Sub-Saharan Africa (excluding South Africa). As a result depletion of all soil nutrients is at crisis level. The Kenyan conference called upon leaders to address the issue with urgency (podcast)
An extensive 2010 program has been established to target decision makers.
Zinc coated thread generates electricity
Zn stabilizes cyclic organics
UK chemists have developed reagents that can metallate cyclic ethers and ethene at room temperature without them disintegrating. Using combinations of zinc and alkali metals the team made stable, crystalline complexes with carbon – zinc bonds that can then be used in further reactions.
Cyclic ethers such as tetrahydrofuran decompose very readily when reacted with lithium reagents, and organozinc compounds are not strong enough bases to metallate such compounds directly. However, combining them with alkali metal reagents greatly increases their metallating power. By metallating with a bimetallic base system, the team formed stable, crystalline molecules
with strong Zn-C bonds. The alkali metal also plays a supporting role in stabilising the complexes. (Chemistry World/Dec 2009 p5)
