PDBx:pdbx_exptl_pdType

<xsd:complexType name="pdbx_exptl_pdType">
  <xsd:annotation>
    <xsd:documentation xml:lang="en">Data items in the pdbx_exptl_pd record information about powder sample preparations.</xsd:documentation>
  </xsd:annotation>
  <xsd:sequence>
    <xsd:element name="pdbx_exptl_pd" minOccurs="0" maxOccurs="unbounded">
      <xsd:complexType>
        <xsd:all>
          <xsd:element name="spec_preparation" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation xml:lang="en">A description of preparation steps for producing the diffraction specimen from the sample. Include any procedures related to grinding, sieving, spray drying, etc. POLYCRYSTAL SLURRY wet grinding in acetone sieved through a 44 micron (325 mesh/inch) sieve spray dried in water with 1&#37;clay</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element name="spec_preparation_pH" minOccurs="0" maxOccurs="1" nillable="true">
            <xsd:annotation>
              <xsd:documentation xml:lang="en">The pH at which the powder sample was prepared.</xsd:documentation>
            </xsd:annotation>
            <xsd:simpleType>
              <xsd:restriction base="xsd:decimal">
                <xsd:minInclusive value="0.0"/>
              </xsd:restriction>
            </xsd:simpleType>
          </xsd:element>
          <xsd:element name="spec_preparation_pH_range" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation xml:lang="en">The range of pH values at which the sample was prepared. Used when a point estimate of pH is not appropriate. 5.6 - 6.4</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:all>
        <xsd:attribute name="entry_id" use="required" type="xsd:string">
          <xsd:annotation>
            <xsd:documentation xml:lang="en">The value of attribute entry_id in category pdbx_exptl_pd uniquely identifies a record in the PDBX_EXPTL_PD category.</xsd:documentation>
          </xsd:annotation>
        </xsd:attribute>
      </xsd:complexType>
    </xsd:element>
  </xsd:sequence>
</xsd:complexType>