QR(Quick Response) codes are 2D codes that can be scanned and read by cell phones, smartphones, and tablets, and can hold web addresses, phone numbers, text messages, and free text. They can also be used to mark samples, equipment, sampling points, workstations or similar. Due to an automatic error correction, this method is very robust: the loss of up to 30% of the code is tolerated, i.e. the code can still be decoded.
QR code
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