Quality control substances of water-soluble metal calcium, magnesium, sodium and potassium in soil
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Total quantity of soil calcium, magnesium, sodium, potassium quality control substances
RMU119 | 70g/瓶
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Quality control substances for calcium, magnesium, sulfur, chlorine, sodium and selenium in water soluble fertilizers
RMK043 | 70g/瓶
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Reference materials of water-soluble calcium and magnesium in soil
RMH-A157 | 200克/瓶
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Reference materials of water-soluble calcium and magnesium in soil
RMH-A432 | 200克/瓶
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Reference materials of water-soluble calcium and magnesium in soil
RMH-A433 | 200克/瓶
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Water soluble fluoride and total fluoride quality control substances in soil
RMU045a | 70g/瓶
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Quality control substances for water - and acid-soluble sulfates in soil
RMU008 | 300g/瓶
Quality control substances of water-soluble metal calcium, magnesium, sodium and potassium in soil
NY/T3242-2018、LY/T1251-1999
火焰原子吸收分光光度法(FAAS)、火焰光度计、电感耦合等离子体发射光谱法(ICP-OES)。
水溶性钙(Ca2+)
392
34
mg/kg
水溶性镁(Mg2+)
69.6
6.2
mg/kg
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