diff --git a/src/main/java/neqsim/thermo/component/Component.java b/src/main/java/neqsim/thermo/component/Component.java
index 719f11215..9f79fd447 100644
--- a/src/main/java/neqsim/thermo/component/Component.java
+++ b/src/main/java/neqsim/thermo/component/Component.java
@@ -1203,7 +1203,19 @@ public double getAntoineVaporPressure(double temp) {
                                                                                  // gases
                                                                                  // (poling
                                                                                  // 5th ed)
-    } else if (antoineLiqVapPresType.equals("exp") || antoineLiqVapPresType.equals("log")) {
+    } else if (antoineLiqVapPresType.equals("pow10KPa")) {
+      return Math.pow(10.0, AntoineA - (AntoineB / (temp + AntoineC)))/1.0e5; // equation
+                                                                                 // and
+                                                                                 // parameter
+                                                                                 // from
+                                                                                 // properties
+                                                                                 // o liquids
+                                                                                 // and
+                                                                                 // gases
+                                                                                 // (poling
+                                                                                 // 5th ed)
+    }
+    else if (antoineLiqVapPresType.equals("exp") || antoineLiqVapPresType.equals("log")) {
       return Math.exp(AntoineA - (AntoineB / (temp + AntoineC))); // equation and parameter
                                                                   // from properties o
                                                                   // liquids and gases (poling
diff --git a/src/main/java/neqsim/thermo/component/ComponentInterface.java b/src/main/java/neqsim/thermo/component/ComponentInterface.java
index 3eab71b9d..dd10dfafa 100644
--- a/src/main/java/neqsim/thermo/component/ComponentInterface.java
+++ b/src/main/java/neqsim/thermo/component/ComponentInterface.java
@@ -763,7 +763,7 @@ public void Finit(PhaseInterface phase, double temperature, double pressure,
 
   /**
    * <p>
-   * getx.
+   * The mole fraction of a component in the actual phase
    * </p>
    *
    * @return a double
@@ -772,7 +772,7 @@ public void Finit(PhaseInterface phase, double temperature, double pressure,
 
   /**
    * <p>
-   * getz.
+   * The mole fraction of a component in the total fluid
    * </p>
    *
    * @return a double
@@ -781,7 +781,7 @@ public void Finit(PhaseInterface phase, double temperature, double pressure,
 
   /**
    * <p>
-   * getK.
+   * The distribution coefficient y/x between gas and lidquid for a component
    * </p>
    *
    * @return a double
@@ -790,7 +790,7 @@ public void Finit(PhaseInterface phase, double temperature, double pressure,
 
   /**
    * <p>
-   * getTC.
+   * Returns the critical temperature of the component
    * </p>
    *
    * @return a double
@@ -1075,7 +1075,9 @@ public void Finit(PhaseInterface phase, double temperature, double pressure,
 
   /**
    * <p>
-   * getCp0.
+   * Return the ideal-gas molar heat capacity of a chemical using polynomial regressed coefficients
+   * as described by Poling, Bruce E. The Properties of Gases and Liquids. 5th edition. New York:
+   * McGraw-Hill Professional, 2000.
    * </p>
    *
    * @param temperature a double
@@ -1300,7 +1302,8 @@ public void Finit(PhaseInterface phase, double temperature, double pressure,
 
   /**
    * <p>
-   * getDebyeDipoleMoment.
+   * This function handles the retrieval of a chemical’s dipole moment. Dipole moment, [debye] as a
+   * double
    * </p>
    *
    * @return a double
diff --git a/src/test/java/neqsim/thermo/component/AmmoniaTest.java b/src/test/java/neqsim/thermo/component/AmmoniaTest.java
index 5346ec676..6e35cc548 100644
--- a/src/test/java/neqsim/thermo/component/AmmoniaTest.java
+++ b/src/test/java/neqsim/thermo/component/AmmoniaTest.java
@@ -1,7 +1,6 @@
 package neqsim.thermo.component;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
-import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import neqsim.thermo.system.SystemInterface;
@@ -29,7 +28,7 @@ public void bublePointTemperatureTest() {
     } catch (Exception e) {
       e.printStackTrace();
     }
-    assertEquals(-33.03983, thermoSystem.getTemperature("C"), 0.01);
+    assertEquals(-33.039831, thermoSystem.getTemperature("C"), 0.01);
   }
 
   @Test
diff --git a/src/test/java/neqsim/thermo/component/NewComponentTest.java b/src/test/java/neqsim/thermo/component/NewComponentTest.java
new file mode 100644
index 000000000..da7f5bdc9
--- /dev/null
+++ b/src/test/java/neqsim/thermo/component/NewComponentTest.java
@@ -0,0 +1,26 @@
+package neqsim.thermo.component;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import neqsim.thermo.system.SystemInterface;
+import neqsim.thermo.system.SystemSrkEos;
+
+public class NewComponentTest extends neqsim.NeqSimTest {
+  static SystemInterface thermoSystem = null;
+
+  /**
+   * @throws java.lang.Exception
+   */
+  @BeforeAll
+  static void setUpBeforeClass() throws Exception {}
+
+  @Test
+  public void newComponentTest() {
+    thermoSystem = new SystemSrkEos(298.0, 1.01325);
+    thermoSystem.addComponent("ammonia", 1.0);
+    thermoSystem.init(0);
+    assertEquals(0.01703052, thermoSystem.getMolarMass("kg/mol"), 0.01);
+    assertEquals(405.4, thermoSystem.getComponent(0).getTC(), 0.01);
+  }
+}