question about chemical developers

My fingurs don't reed two weel eithre!

"Mike King" wrote

MSDS for Dihydrogen Monoxide (aka water)
http://www.hsegroup.com/hse/text/water.htm

I think results in getting a really hysterical MSDS for water
may better if water were called:


* Hydrogen Hydroxide *

Crystalline colorless solid with liquid and vapor phases.

Shares common properties with other metal hydroxides as sodium
hydroxide (lye).

Cautions:

o Extremely corrosive. Paraffin containers are required
for long-term storage.

o Subject to violent phase changes. Heating or cooling will cause
vessel rupture. Explosion proof vessels with emergency venting
are recommended and are required at temperatures above 100C.

o Evaporation hazard. Must be kept in hermetically sealed containers.

.....

o Will cause suffocation, workers must be issued breathing apparatus.

o Although small quantities are required for life, consumption
results in certain death from sodium channel depolarization and
subsequent cessation of coronary function.

--
Nicholas O. Lindan, Cleveland, Ohio
Consulting Engineer: Electronics; Informatics; Photonics.
Remove spaces etc. to reply: n o lindan at net com dot com
psst.. want to buy an f-stop timer? nolindan.com/da/fstop/

"Mike King" wrote

MSDS for Dihydrogen Monoxide (aka water)
http://www.hsegroup.com/hse/text/water.htm

I think results in getting a really hysterical MSDS for water
may better if water were called:


* Hydrogen Hydroxide *

Crystalline colorless solid with liquid and vapor phases.

Shares common properties with other metal hydroxides as sodium
hydroxide (lye).

Cautions:

o Extremely corrosive. Paraffin containers are required
for long-term storage.

o Subject to violent phase changes. Heating or cooling will cause
vessel rupture. Explosion proof vessels with emergency venting
are recommended and are required at temperatures above 100C.

o Evaporation hazard. Must be kept in hermetically sealed containers.

.....

o Will cause suffocation, workers must be issued breathing apparatus.

o Although small quantities are required for life, consumption
results in certain death from sodium channel depolarization and
subsequent cessation of coronary function.

--
Nicholas O. Lindan, Cleveland, Ohio
Consulting Engineer: Electronics; Informatics; Photonics.
Remove spaces etc. to reply: n o lindan at net com dot com
psst.. want to buy an f-stop timer? nolindan.com/da/fstop/

Here's a very simple mix-it-yourself formula using harmless chemicals,=20
similar to commercial developers such as Xtol or Agfa Neutol. All the=20
chemicals you can get at your local hardware store or supermarket. I've =

been using this formula for Delta-400, Delta-100, Fuji ACROS 100 and=20
Fuji Neopan with outstanding results:

6 g. Sodium carbonate (this is a common chemical used in dishwasher=20
detergents or marketed as Arm & Hammer Washing Soda, if that's available =

in Italy.) Alternatively, you can buy it from any chemical supply=20
house. It's also sold in swimming pool supply stores as "pH Plus" or=20
something similar.

4 g. Vitamin C (ascorbic acid) powder or crystals, available in any=20
natural food or health food store.

4 ml. 1% Phenidone solution (dissolve 1 g Phenidone powder--the only=20
chemical you must buy from a proper chemical supply place-- in 100 ml of =

90% alcohol.) Phenidone will dissolve in water, but it takes longer. =20
The alcohol preserves it well, and a 100 ml bottle will last months.

1 liter of water.

At 22 degrees Celsius, Delta 100 or Fuji ACROS or Fuji Neopan will=20
develop in approximately 7 minutes. You may have to experiment a bit to =

find the best time for you. I rate those films at one stop less than=20
their manufacturer-recommended speed, so Delta 100 at ISO 50, etc.

For Delta 400, you may want to substitute borax for the sodium carbonate =

or your times may be too short. With borax, Delta 400 will take=20
approximately 8 minutes; with carbonate, approximately 5.

I lived in Paris for a long time, and had no trouble getting any of=20
these chemicals. I would assume they're equally available in Italy,=20
though perhaps in different packaging or under different brand names. =20
But all are friendly to humans and the environment.

Cheers,
Larry

Beppe Albor=E8 wrote:

hi.
i was reading the safety sheets of some development chemicals products f=
or
film and for papers.
in every sheet that i've read, there's always a paragraph like this :

"Irritating to eyes, respiratory system and skin. Limited evidence of a
carcinogenic effect. May
cause sensitisation by skin contact. Possible risk of irreversible effec=
ts.
Carcinogen Category 3.
Mutagen Category 3."

do you know if it's possible to find safe development products, without =
the
risk of carcinogenic effects ?
i've heard that there are some ecological developers, without a substanc=
e
called "hidroquinone".
do you think these products without hidroquinone can be safe from this p=
oint
of view (i mean, without the risk of carcinogenic effects ) ?

please, let me know, thanks !!!



=20

Here's a very simple mix-it-yourself formula using harmless chemicals,=20
similar to commercial developers such as Xtol or Agfa Neutol. All the=20
chemicals you can get at your local hardware store or supermarket. I've =

been using this formula for Delta-400, Delta-100, Fuji ACROS 100 and=20
Fuji Neopan with outstanding results:

6 g. Sodium carbonate (this is a common chemical used in dishwasher=20
detergents or marketed as Arm & Hammer Washing Soda, if that's available =

in Italy.) Alternatively, you can buy it from any chemical supply=20
house. It's also sold in swimming pool supply stores as "pH Plus" or=20
something similar.

4 g. Vitamin C (ascorbic acid) powder or crystals, available in any=20
natural food or health food store.

4 ml. 1% Phenidone solution (dissolve 1 g Phenidone powder--the only=20
chemical you must buy from a proper chemical supply place-- in 100 ml of =

90% alcohol.) Phenidone will dissolve in water, but it takes longer. =20
The alcohol preserves it well, and a 100 ml bottle will last months.

1 liter of water.

At 22 degrees Celsius, Delta 100 or Fuji ACROS or Fuji Neopan will=20
develop in approximately 7 minutes. You may have to experiment a bit to =

find the best time for you. I rate those films at one stop less than=20
their manufacturer-recommended speed, so Delta 100 at ISO 50, etc.

For Delta 400, you may want to substitute borax for the sodium carbonate =

or your times may be too short. With borax, Delta 400 will take=20
approximately 8 minutes; with carbonate, approximately 5.

I lived in Paris for a long time, and had no trouble getting any of=20
these chemicals. I would assume they're equally available in Italy,=20
though perhaps in different packaging or under different brand names. =20
But all are friendly to humans and the environment.

Cheers,
Larry

Beppe Albor=E8 wrote:

hi.
i was reading the safety sheets of some development chemicals products f=
or
film and for papers.
in every sheet that i've read, there's always a paragraph like this :

"Irritating to eyes, respiratory system and skin. Limited evidence of a
carcinogenic effect. May
cause sensitisation by skin contact. Possible risk of irreversible effec=
ts.
Carcinogen Category 3.
Mutagen Category 3."

do you know if it's possible to find safe development products, without =
the
risk of carcinogenic effects ?
i've heard that there are some ecological developers, without a substanc=
e
called "hidroquinone".
do you think these products without hidroquinone can be safe from this p=
oint
of view (i mean, without the risk of carcinogenic effects ) ?

please, let me know, thanks !!!



=20

thanks for your help.
i've just a little question for you:
in your opinion, are the following products carcinogenic, or carcinogenic
suspected ?

negative film developer: kodak xtol

paper developers: kodak ektaflo, kodak selectol

thanks!






"LR Kalajainen" wrote in message
...
Here's a very simple mix-it-yourself formula using harmless chemicals,
similar to commercial developers such as Xtol or Agfa Neutol. All the
chemicals you can get at your local hardware store or supermarket. I've
been using this formula for Delta-400, Delta-100, Fuji ACROS 100 and
Fuji Neopan with outstanding results:

6 g. Sodium carbonate (this is a common chemical used in dishwasher
detergents or marketed as Arm & Hammer Washing Soda, if that's available
in Italy.) Alternatively, you can buy it from any chemical supply
house. It's also sold in swimming pool supply stores as "pH Plus" or
something similar.

4 g. Vitamin C (ascorbic acid) powder or crystals, available in any
natural food or health food store.

4 ml. 1% Phenidone solution (dissolve 1 g Phenidone powder--the only
chemical you must buy from a proper chemical supply place-- in 100 ml of
90% alcohol.) Phenidone will dissolve in water, but it takes longer.
The alcohol preserves it well, and a 100 ml bottle will last months.

1 liter of water.

At 22 degrees Celsius, Delta 100 or Fuji ACROS or Fuji Neopan will
develop in approximately 7 minutes. You may have to experiment a bit to
find the best time for you. I rate those films at one stop less than
their manufacturer-recommended speed, so Delta 100 at ISO 50, etc.

For Delta 400, you may want to substitute borax for the sodium carbonate
or your times may be too short. With borax, Delta 400 will take
approximately 8 minutes; with carbonate, approximately 5.

I lived in Paris for a long time, and had no trouble getting any of
these chemicals. I would assume they're equally available in Italy,
though perhaps in different packaging or under different brand names.
But all are friendly to humans and the environment.

Cheers,
Larry

Beppe Alborè wrote:

hi.
i was reading the safety sheets of some development chemicals products for
film and for papers.
in every sheet that i've read, there's always a paragraph like this :

"Irritating to eyes, respiratory system and skin. Limited evidence of a
carcinogenic effect. May
cause sensitisation by skin contact. Possible risk of irreversible effects.
Carcinogen Category 3.
Mutagen Category 3."

do you know if it's possible to find safe development products, without the
risk of carcinogenic effects ?
i've heard that there are some ecological developers, without a substance
called "hidroquinone".
do you think these products without hidroquinone can be safe from this
point
of view (i mean, without the risk of carcinogenic effects ) ?

please, let me know, thanks !!!

thanks for your help.
i've just a little question for you:
in your opinion, are the following products carcinogenic, or carcinogenic
suspected ?

negative film developer: kodak xtol

paper developers: kodak ektaflo, kodak selectol

thanks!






"LR Kalajainen" wrote in message
...
Here's a very simple mix-it-yourself formula using harmless chemicals,
similar to commercial developers such as Xtol or Agfa Neutol. All the
chemicals you can get at your local hardware store or supermarket. I've
been using this formula for Delta-400, Delta-100, Fuji ACROS 100 and
Fuji Neopan with outstanding results:

6 g. Sodium carbonate (this is a common chemical used in dishwasher
detergents or marketed as Arm & Hammer Washing Soda, if that's available
in Italy.) Alternatively, you can buy it from any chemical supply
house. It's also sold in swimming pool supply stores as "pH Plus" or
something similar.

4 g. Vitamin C (ascorbic acid) powder or crystals, available in any
natural food or health food store.

4 ml. 1% Phenidone solution (dissolve 1 g Phenidone powder--the only
chemical you must buy from a proper chemical supply place-- in 100 ml of
90% alcohol.) Phenidone will dissolve in water, but it takes longer.
The alcohol preserves it well, and a 100 ml bottle will last months.

1 liter of water.

At 22 degrees Celsius, Delta 100 or Fuji ACROS or Fuji Neopan will
develop in approximately 7 minutes. You may have to experiment a bit to
find the best time for you. I rate those films at one stop less than
their manufacturer-recommended speed, so Delta 100 at ISO 50, etc.

For Delta 400, you may want to substitute borax for the sodium carbonate
or your times may be too short. With borax, Delta 400 will take
approximately 8 minutes; with carbonate, approximately 5.

I lived in Paris for a long time, and had no trouble getting any of
these chemicals. I would assume they're equally available in Italy,
though perhaps in different packaging or under different brand names.
But all are friendly to humans and the environment.

Cheers,
Larry

Beppe Alborè wrote:

hi.
i was reading the safety sheets of some development chemicals products for
film and for papers.
in every sheet that i've read, there's always a paragraph like this :

"Irritating to eyes, respiratory system and skin. Limited evidence of a
carcinogenic effect. May
cause sensitisation by skin contact. Possible risk of irreversible effects.
Carcinogen Category 3.
Mutagen Category 3."

do you know if it's possible to find safe development products, without the
risk of carcinogenic effects ?
i've heard that there are some ecological developers, without a substance
called "hidroquinone".
do you think these products without hidroquinone can be safe from this
point
of view (i mean, without the risk of carcinogenic effects ) ?

please, let me know, thanks !!!

Beppe Albor=E8 wrote:

please, let me know, thanks !


If you must, rinse. I would'nt go so far as to
say "wash".
My advise, be up-wind when working with powders.
It's a rare, exotic brew which contains or uses toxic,
skull and crossbones, chemistry. I've one in stock,
sodium selenite. The words TOXIC and Fatal are on
the label.
Of more concern are fumes, more so than in previous
times due to the increase in asthma. To do without the
fumes and oder, use a neutral to alkaline process. Dan

Beppe Albor=E8 wrote:

please, let me know, thanks !


If you must, rinse. I would'nt go so far as to
say "wash".
My advise, be up-wind when working with powders.
It's a rare, exotic brew which contains or uses toxic,
skull and crossbones, chemistry. I've one in stock,
sodium selenite. The words TOXIC and Fatal are on
the label.
Of more concern are fumes, more so than in previous
times due to the increase in asthma. To do without the
fumes and oder, use a neutral to alkaline process. Dan

"Nicholas O. Lindan" wrote in message
link.net...
o Although small quantities are required for life, consumption
results in certain death from sodium channel depolarization and
subsequent cessation of coronary function.


Just goes to show you, anything in sufficient quantity will cause some form
of harm to the human being.