On Mon, 12 Jan 2015 12:48:22 -0800, "Pico Rico"
> wrote:

>
>"Whitney Ryan" > wrote in message
...
>> Where can one buy food grade cornstarch &
>> calcium phosphate?
>>
>> I bought a ton of Baking Soda at Costco
>> (sodium bicarbonate), and I want to make
>> a small amount of baking powder.
>>
>> Baking powder, as far as I can tell, is
>> baking soda + cornstarch + "cream of tartar"
>> which is usually either calcium phosphate
>> or potassium hydrogen tartrate (KC4H5O6).
>>
>> I went to Safeway, Trader Joes, and Whole
>> Foods, but none had the missing ingredients,
>> only one of which is required (the cornstarch
>> is optional but the acid tartrate is not.
>>
>> Where can one buy food grade cornstarch &
>> calcium phosphate?
>>
>> Cream of Tartar
>>
>
>Cornstarch is available at any grocery store.
>
>So is cream of Tartar, but if I remember right is seems to cost a fortune
>for what it is, and is sold in small amounts. Maybe Smart & Final or
>Restaurant Depot, etc. sells in larger quantities for a more reasonable
>price.
>
https://www.google.com/search?q=crea...035634201 865