luxikon Member Allowing Ads Joined Feb 13, 2008 Messages 138 Location Germany Format Multi Format Jan 20, 2013 #1 For making a developer from scratch I need 18 g of sodium carbonate monohydr. but I've got only sodium carbonate sicc. Can I substitute one by the other and how much must I take instead?
For making a developer from scratch I need 18 g of sodium carbonate monohydr. but I've got only sodium carbonate sicc. Can I substitute one by the other and how much must I take instead?
Ian Grant Subscriber Allowing Ads Joined Aug 2, 2004 Messages 23,417 Location West Midland Format Multi Format Jan 20, 2013 #2 Yes just divide by 1.2 to get the anhydrous (sic) weight which is 15.7g. US formulae use Monohydrated which was the common form of Sodium Carbonate their while we in Europe use Anhydrous. Ian
Yes just divide by 1.2 to get the anhydrous (sic) weight which is 15.7g. US formulae use Monohydrated which was the common form of Sodium Carbonate their while we in Europe use Anhydrous. Ian