How are lot numbers assigned for Waters analytical standards and reagents? - WKB74668
Article number: 74668
ENVIRONMENT
- Chemistry
- Standards
- Analytical standards and reagents (ASR)
- Lot numbering system
ANSWER
Each part number, or “Parent” (e.g., 186003196) is built with one or more component parts or “Children” (e.g.,186003196-1).
Parent and Child parts are assigned different lot numbers and are frequently sequential.
ADDITIONAL INFORMATION
The exterior of the box will be marked with the Parent part number and Parent lot number.
Products within each kit will have the Child part numbers and lot numbers.
Certificates of Analysis reflect the individual child part number and lot number.
The child lot numbers are sequentially one digit higher than parent lot number:
Example:
