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Стандартный эталонный материал SRM 4973 радон-222, стандарт излучения

Approved types of reference materials · reg. No. KZ.03.02.01493-2012

Reference material type approval: expired on 31.12.2013

The record remains in the register as archived. New work requires a valid document.

Record data

Registration number
KZ.03.02.01493-2012
Name
Стандартный эталонный материал SRM 4973 радон-222, стандарт излучения
Developer
"Национальный Институт Стандартов и Технологий""Гейзерсбург, Мэриленд 20899, США тел.:+1 301 975 5527","Гейзерсбург, Мэриленд 20899, США тел.:+1 301 975 5527"
Valid until
31.12.2013

Record data is shown in the original language (Russian), as in the official register.

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Source: GSI register of Kazakhstan, techreg.gov.kz, copy of 26.09.2026. The information is for reference — always confirm against the register and the instrument documents.