Quality control substances of magnesium, potassium, sulfur, chlorine and sodium in potassium magnesium sulfate fertilizer
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Quality control substances for nitrogen, phosphorus, potassium, available calcium, available magnesium, sulfur and chloride ions in blended fertilizers (BB)
RMK068 | 70g/瓶
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Quality control substances such as nitrogen, phosphorus, potassium, available calcium, available magnesium, sulfur and chloride ions in compound (compound) fertilizers
RMK069 | 100g/瓶
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Quality control substances for available phosphorus, available calcium, available magnesium and soluble silicon in calcium magnesium phosphate fertilizer
RMK057 | 70g/瓶
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有机肥料中钙、镁、硫质量控制物质(NY/T4076-2022) Quality control substances of calcium, magnesium and sulfur in organic fertilizers
RMK038 | 100g/瓶
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有机肥料中钙、镁、硫质量控制物质(NY/T4076-2022) Quality control substances of calcium, magnesium and sulfur in organic fertilizers
RMK039 | 100g/瓶
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硫酸钾镁肥(GB/T20937-2018) Potaassium magnesium of sulphate fertilizer
RMH-F331 | 100克/瓶
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复合肥料中钙、镁、硫质量控制物质(GB/T 19203-2003) Quality control substance of calcium, magnesium and sulfur in compound fertilizer
RMK023 | 100g/瓶
Quality control substances of magnesium, potassium, sulfur, chlorine and sodium in potassium magnesium sulfate fertilizer
GB/T19203 -2003、GB/T 20937-2018 、GB/T19203-2003、GB/T24890 -2010、GB/T6549-2011
镁(Mg)采用乙二胺乙酸二钠容量法(EDTA-2Na)、火焰分光光度法(FAAS)、电感耦合等离子体发射光谱法(ICP-OES);硫(S)采用灼烧法、电感耦合等离子体发射光谱法(ICP-OES);氧化钾(K2O)采用四苯硼钾重量法、火焰分光光度法(FAAS)、电感耦合等离子体发射光谱法(ICP-OES)、火焰光度计;氯离子(CI-)采用佛尔哈德法、离子色谱法(IC);钠离子(Na+)采用火焰分光光度法(FAAS)、电感耦合等离子体发射光谱法(ICP-OES)、火焰光度计。
镁(Mg)
6.94
0.65
%
氧化钾(K2O)
25.59
2.41
%
硫(S)
17.65
1.64
%
氯离子(CI-)
2.11
0.20
钠离子(Na+)
0.384
0.036
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