Author Topic: 320ppm  (Read 21 times)

Offline Johnnywonderful

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320ppm
« on: November 05, 2018, 05:24:28 PM »
Have done a lot of reading and have two ??s. Have read about using anhydrous sodium carbonate for making 320ppm. Can washing soda be used and is one better than another? Also I saw some mention about microwaving at end, is this necessary if using a heat plate?

Thank you in advance.

Offline kephra

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Re: 320ppm
« Reply #1 on: November 05, 2018, 08:16:16 PM »
Anhydrous just means there is no water in the crystals.  They are both alike in the water.
The only difference is the weight needed to make 1 Molar solutions.  Since washing soda has water in it, you need a higher weight for the same amount of water.  They work the same.

Microwaving is convenient, but it doesn't matter how you heat it.  A hot plate is fine.
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