Blue Silica Gel - Was: Any suggestions on storing pollen?

Mark Mazer markemazer@gmail.com
Fri, 13 May 2016 15:16:56 PDT
It's probably covered under US Federal Labeling of Hazardous Art Materials
Acts but there is no label here to check that as a fact.
http://acminet.org/index.php/…

M

On Fri, May 13, 2016 at 3:49 PM, Garak <garak@code-garak.de> wrote:

>
>  Hi Mark
>
> I guess that's one of the differences in American and European treatment
> of hazardous substances  - We in Europe assume there's *no safe
> concentration* for possibly carcinogenic substances, and we avoid them
> whenever there's a reasonable replacement.I whish I'd find a current
> reasonable European SDS for Cobalt-based Blue Silika Gel, but it has
> totally disappeared from the market, beside some obscure china imports - I
> only found one from Merck before the GHS-era, and back then it was marked
> as" T "(oxic) with "R49: May cause cancer in case of inhalation". So even
> if it's legal in the US, I'd still recommend against it.
>
> Martin
>
> Am 13.05.2016 um 20:22 schrieb Mark Mazer:
>
>> Blue silica gel MSDS:
>> http://catalog.adcoa.net/Asset/…
>>
>> Walmart and several nationwide crafts store chains still carry it for
>> flower drying in the US.
>>
>> I simply use the food dehydrator these days.
>>
>> Mark Mazer
>> Hertford, NC
>> USDA 8a
>>
>>
>>
>> 2016-05-13 19:19 GMT+02:00 Garak <garak@code-garak.de>:
>>
>> Hi James,
>>>>
>>>> thank you for this page of valuable information. One little comment: You
>>>> recommend blue silica gel to dry pollen. this uses Cobalt(II) chloride
>>>> as
>>>> humidity indicator, which was identified as highly carcinogenic in
>>>> recent
>>>> years. It (hopefully) should be difficult to obtain now and I strongly
>>>> recommend anyone to give any remaining leftovers of blue silica gel to a
>>>> professional disposal service, as there are several non-toxic
>>>>
>>> alternatives.
>>>
>>>> --
>>>> Martin
>>>> ----------------------------------------------
>>>> Southern Germany
>>>> Likely zone 7a
>>>>
>>>>
>>>>
>>>> Am 13.05.2016 um 18:44 schrieb James SHIELDS:
>>>>
>>>> I put this page together years back on storing pollen:
>>>>>
>>>>> http://www.shieldsgardens.com/info/Pollen.html
>>>>>
>>>>> --  Jim
>>>>>
>>>>> On Fri, May 13, 2016 at 12:33 PM, Michael Mace <michaelcmace@gmail.com
>>>>> >
>>>>> wrote:
>>>>>
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>
>
> --
> Martin
> ----------------------------------------------
> Southern Germany
> Likely zone 7a
>
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