# Parts-per Notation Units

Home/Common/Parts-per Notation Units

## Description

This package contains units used to describe dimensionless quantities for small values. These are pseudo-units because they are actually “quantity-per-quantity.” They provide a number without an associated unit.

The package contains the following entities:

• Seven units of Dimension Scalar:
• parts-per-thousand: unit of Dimension Scalar. This unit is a value expression based on percent (%) unit.
• parts-per-ten-thousand: unit of Dimension Scalar. This unit is a value expression based on percent (%) unit.
• per-cent-mille: unit of Dimension Scalar. This unit is a value expression based on percent (%) unit.
• parts-per-million: unit of Dimension Scalar. This unit is a value expression based on percent (%) unit.
• parts-per-billion: unit of Dimension Scalar. This unit is a value expression based on percent (%) unit.
• parts-per-trillion: unit of Dimension Scalar. This unit is a value expression based on percent (%) unit.
• parts-per-quadrillion: unit of Dimension Scalar. This unit is a value expression based on percent (%) unit.

## How to use the package

These units can be used for custom fields of type quantity or for test results of type quantity.

## Where to Look Next

These references have further information on how to configure or use the package contents after the initial installation and integration.

• SLIMS Administration Manual: Miscellaneous > Units
• SLIMS Administration Manual: Miscellaneous > Fields
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## Description

This package contains units used to describe dimensionless quantities for small values. These are pseudo-units because they are actually “quantity-per-quantity.” They provide a number without an associated unit.

The package contains the following entities:

• Seven units of Dimension Scalar:
• parts-per-thousand: unit of Dimension Scalar. This unit is a value expression based on percent (%) unit.
• parts-per-ten-thousand: unit of Dimension Scalar. This unit is a value expression based on percent (%) unit.
• per-cent-mille: unit of Dimension Scalar. This unit is a value expression based on percent (%) unit.
• parts-per-million: unit of Dimension Scalar. This unit is a value expression based on percent (%) unit.
• parts-per-billion: unit of Dimension Scalar. This unit is a value expression based on percent (%) unit.
• parts-per-trillion: unit of Dimension Scalar. This unit is a value expression based on percent (%) unit.
• parts-per-quadrillion: unit of Dimension Scalar. This unit is a value expression based on percent (%) unit.

## How to use the package

These units can be used for custom fields of type quantity or for test results of type quantity.

## Where to Look Next

These references have further information on how to configure or use the package contents after the initial installation and integration.

• SLIMS Administration Manual: Miscellaneous > Units
• SLIMS Administration Manual: Miscellaneous > Fields