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Topic: Sulfur in fertiliser  (Read 2103 times)

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Offline Stroodle

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Sulfur in fertiliser
« on: March 17, 2010, 01:04:58 AM »
Hi,

I'd just like to know why fertiliser producers refer to "the percentage by mass of sulfur present as sulfate" in their fertilisers?

Thanks!

Offline typhoon2028

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Re: Sulfur in fertiliser
« Reply #1 on: March 17, 2010, 07:39:18 AM »
the sulfur present exists as sulfate, not elemental sulfur

Another example would be on food packaging; "the sodium content" is really ionic sodium or sodium salt, because metallic sodium would not exist in food as it is highly reactive.

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