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硝酸根离子选择性电极溶液,1000ppm 标准液
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3种阴离子混标(氟离子,氯离子,溴离子),1000μg/ml in H2O(不确定度1%)
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铬酸离子 IC 标准液 1,000 mg/l CrO42- traceable to SRM of NIST K₂CrO₄ in H₂O 1000 mg/l CrO₄²⁻ CertiPUR®
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溴分析滴定液,7758-01-2,Analytical Volumetric Solution,0.1M
,0.1M货号:P298657Cas号:7758-01-2产品介绍:查看阿拉丁官网此产品相关对应页面:https://www.aladdin-e.com/zh_cn/P298657.html
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溴分析滴定液,7758-01-2,Analytical Volumetric Solution,0.25M
,0.25M货号:P298658Cas号:7758-01-2产品介绍:查看阿拉丁官网此产品相关对应页面:https://www.aladdin-e.com/zh_cn/P298658.html
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角鲨烷,111-01-3,95%
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铬酸盐测试盒 方法: 光度法 0.05 - 2.00 mg/l Cr 0.11 - 4.46 mg/l CrO4 Spectroquant®
Chromate Cell Test Method: photometric 0.05 - 2.00 mg/l Cr 0.11 - 4.46 mg/l CrO4 Spectroquant
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水中磷酸根 标液标准品
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溴酸钾,7758-01-2,ACS, 99.8%
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YSBC28321-01 GCr15铬轴承
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