ICPMS Tuning Solution A 6 components in 1 Vol.-% HNO3: 10µg/l Be, 2µg/l In, 2µg/l Bi, 2µg/l Ce, 5µg/l Co, 5µg/l Mn Shelf life 8 month after production and min. 6 month at start of shipment. After opening the bottle, it is durable for 4 month, but maximum until end of shelf life period.