无机肥料中砷质控样品/GB/T 39229-2020 Arsenic quality control samples in inorganic fertilizers
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肥料中总砷质控样品/GB/T 39229-2020 Total arsenic quality control in fertilizers
BWS0267-2016 | 50g
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肥料中总砷质控样品/GB/T 39229-2020 Total arsenic quality control in fertilizers
BWS0252-2016 | 50g
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水溶肥料中砷质控样品/GB/T 39229-2020 Arsenic quality control in water soluble fertilizers
SHAM_233943 | 70g
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水溶肥料中砷质控样品/GB/T 39229-2020 Arsenic quality control in water soluble fertilizers
SHAM_233944 | 70g
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肥料中铅质控样品/GB/T 39229-2020 Lead quality control in fertilizers
BWS0266-2016 | 50g
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肥料中镉质控样品/GB/T 39229-2020 Cadmium quality control in fertilizers
BWS0265-2016 | 50g
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肥料中总铬质控样品/GB/T 39229-2020 Chromium quality control in fertilizers
BWS0268-2016 | 50g
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2. 仪器条件优化:载气流量、原子化器温度校准;
3. 标准曲线制备:至少5个浓度梯度;
4. 质控样品与待测样品同步检测。
2. 消解液需完全澄清,否则需补加酸重新消解;
3. 校准用标准溶液需溯源至国家有证标准物质。
以上信息仅供参考,请以相应标准的原文为准!