-
氯苯标准溶液,108-90-7,analytical standard,0.117mg/ml in isooctane
-
氯离子标准溶液,100μg/ml in Water (20℃)
-
乙醇酸酯标准品 单元素标准品
-
稻瘟净标准溶液,13286-32-3,analytical standard,10ug/ml in ethanol
-
氨氮标准溶液,1000μg/ml in Water (20℃)
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of NIST and PTB for 500 ml buffer solution, pH 2.00 ± 0.02 (20°C) Titrisol®
Buffer concentrate (citrate/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer
-
of NIST and PTB for 500 ml buffer solution, pH 3.00 ± 0.02 (20°C) Titrisol®
Buffer concentrate (citrate/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer
-
of NIST and PTB for 500 ml buffer solution, pH 4.00 ± 0.02 (20°C) Titrisol®
Buffer concentrate (citrate/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer
-
to SRM of NIST and PTB for 500 ml buffer solution, pH 12.00 ± 0.05 (20°C) Titrisol®
Buffer concentrate (phosphate/sodium hydroxide), traceable to SRM of NIST and PTB for 500 ml buffer
-
of NIST and PTB for 500 ml buffer solution, pH 8.00 ± 0.02 (20°C) Titrisol®
Buffer concentrate (borate/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer
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