SN/T 2558.2-2011
Testing method for import and export functional textiles-Part 2:Negative ion concentration
GB/T 24583.8-2019(\u82f1\u6587\u7248)
钒氮合金 硅、锰、磷、铝含量的测定 电感耦合等离子体原子发射光谱法
HG/T 4109-2009
GB/T 30128-2013
Textiles—Testing and evaluation for negative-ion concentration
GB/T 36084-2018(\u82f1\u6587\u7248)
纳米技术 水溶液中铜、锰、铬离子含量的测定 紫外-可见分光光度法
JC/T 2040-2022
GB/T 33046-2016(\u82f1\u6587\u7248)
橡胶制品 钴含量的测定 原子吸收光谱法
YS/T 1509.3-2021
QX/T 419-2018
Specifications for air negative ions observation-Capacitance inhalation
QB/T 4982-2023
QB/T 4982-2016
Negative ion generator for household and similar electrical appliances
LY/T 3235-2020
General requirements for negative air ion inducing wood-based panels and their finishing products
QX/T 475-2019
Technical requirements for air negative ions automatic measurement instrument-Capacitance inhalation
T/CNCIA 01030-2023
GB/T 24226-2009(\u82f1\u6587\u7248)
铬矿石和铬精矿 钙含量的测定 火焰原子吸收光谱法
T/ZZB 1089-2019
GB/T 37385-2019
Test method for chloride content of silicon—Ion chromatography method
T/QGCML 018-2020
T/CNLIC 0130-2024
T/JAMIA 002-2024