D47 -

GB/T 42333-2023 in English

Soil and stream sediment—Determination of iodine content—Pressurized ammonia extraction inductively coupled plasma mass spectrometry

VALID

Issued on:2023-03-17 | Implemented on:2023-07-01

GB/T 42248-2022 in English

Soil and stream sediment—Determination of iodine and bromine content—Decomposition by sintering inductively coupled plasma mass spectrometry

VALID

Issued on:2022-12-30 | Implemented on:2023-04-01

DB64/T 1751-2020 in English

VALID

Issued on:2020-07-28 | Implemented on:2020-10-27

DB23/T 2491-2019 in English

VALID

Issued on:2019-11-20 | Implemented on:2019-12-19

DZ/T 0312-2018 in English

Green mine construction specification of non-metallic minerals industry

VALID

Issued on:2018-06-22 | Implemented on:2018-10-01

DB63/T 1612-2017 in English

VALID

Issued on:2017-12-18 | Implemented on:2018-03-01

DB41/T 1439-2017 in English

VALID

Issued on:2017-08-28 | Implemented on:2017-11-28