Update substance.py

p2jones · p2jones · commit afcc0e9a8d3b · 2015-06-27T15:00:41.000+02:00
Add units of millimole and micromole.
diff --git a/quantities/units/substance.py b/quantities/units/substance.py
@@ -8,3 +8,14 @@
     'mole',
     symbol='mol'
 )
+mmol = UnitSubstance(
+    'millimole',
+    mol/1000,
+    symbol='mmol'
+)
+umol = UnitSubstance(
+    'micromole',
+    mmol/1000,
+    symbol='umol',
+    u_symbol='µmol'
+)
