高端化学试剂
[展开描述+]高端化学试剂
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产品货号
产品名称
产品描述
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97%
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梯度色谱级, ≥99.9%
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98%
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98%
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99%
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98%
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95%
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1-3mm (0.04-0.1in),99.9997% (m...
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98%
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95%
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98%
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85%
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光谱级, ≥99.7%
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农残级
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analytical standard, 100ug/ml ...