GB/T 41964-2022
摄影 冲洗废液 氨态氮含量的测定 (微扩散法)
Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion method)
- 实施日期
- 2023-07-01
- ICS 分类
- 37.040.30;13.030.30
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 41964-2022
Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion method)
GB/T 41965-2022
Photography—Processing waste—Determination of total amino nitrogen (microdiffusion Kjeldahl method)
GB/T 17155-2022
Plates for offset printing—Dimensions
GB/T 42152-2022
General specification for remanufacturing of used office consumables and spare parts
GB/T 12085.23-2022
Optics and photonics—Environmental test methods—Part 23:Low pressure combined with cold,ambient temperature and dry or damp heat
GB/T 12085.22-2022
Optics and photonics—Environmental test methods—Part 22:Combined cold,dry heat or temperature change with bump or random vibration
GB/T 12085.8-2022
Optics and photonics—Environmental test methods—Part 8:High internal pressure, low internal pressure, immersion
GB/T 12085.2-2022
Optics and photonics— Environmental test methods—Part 2: Cold, heat and humidity
GB/T 12085.9-2022
Optics and photonics—Environmental test methods—Part 9:Solar radiation and weathering
GB/T 12085.20-2022
Optics and photonics—Environmental test methods—Part 20: Humid atmosphere containing sulfur dioxide or hydrogen sulfide
GB/T 12085.17-2022
Optics and photonics—Environmental test methods—Part 17: Combined contamination, solar radiation
GB/T 12085.14-2022
Optical and photonics—Environmental test methods—Part 14:Dew,hoarfrost,ice
GB/T 12085.12-2022
Optics and photonics—Environmental test methods—Part 12: Contamination
GB/T 12085.11-2022
Optics and photonics—Environmental test methods—Part 11:Mould growth
GB/T 12085.7-2022
Optics and photonics—Environmental test methods—Part 7:Resistance to drip or rain
GB/T 12085.6-2022
Optics and photonics—Environmental test methods—Part 6:Dust
GB/T 12085.4-2022
Optics and photonics—Environmental test methods—Part 4: Salt mist
GB/T 12085.3-2022
Optics and photonics—Environmental test methods—Part 3:Mechanical stress
GB/T 12085.1-2022
Optics and photonics—Environmental test methods—Part1: Definitions, extent of testing
GB/T 13982-2022
Reflective and transmitting projection screens