GB/T 30376-2013 in English

《GB/T 30376-2013茶叶中铁、锰、铜、锌、钙、镁、钾、钠、磷、硫的测定-电感耦合等离子体原子发射光谱法》由TC339（全国茶叶标准化技术委员会）归口，主管部门为中华全国供销合作总社。
本标准规定了茶叶中铁(Fe)、锰(Mn)、铜(Cu)、锌(Zn)、钙(Ca)、镁(Mg)、钾(K)、钠(Na)、磷(P)、硫(S)的电感耦合等离子原子发射光谱法(ICP-AES)测定的原理、试剂、仪器与设备、试样的制备、测定、结果计算、精密度。
本标准适用于茶叶中铁、锰、铜、锌、钙、镁、钾、钠、磷、硫的测定。

Scope

This standard specifies the iron (Fe), manganese (Mn), copper (Cu), zinc (Zn), calcium (Ca), magnesium (Mg), potassium (K), sodium (Na), phosphorus (P), Sulfur (S) inductively coupled plasma atomic emission spectrometry (ICP-AES) determination principle, reagents, instruments and equipment, sample preparation, determination, result calculation, precision. This standard applies to the determination of iron, manganese, copper, zinc, calcium, magnesium, potassium, sodium, phosphorus and sulfur in tea. The detection limits of each element stipulated in this method are shown in Table 1.