BW5541海水中硝酸盐氮标样/人工海水/质控样

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BW5816-1/15种元素混合/铝/硼/钙/铬/铜/铁/钾/锂/镁/锰/钠/镍/磷/钛/锆/10µg/mL/100mL

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BW2581-1mg/303-97-9/辅酶Q9HPLC≥99%/1mg

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BW12388-1/79-09-4/丙酮中丙酸/1500µg/mL/2mL

BW1280-3/二硫化碳中二甲苯类混合溶液(邻间对)/50µg/mL/2mL

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BW1278/总酸度水质标样/H₂O/5.16µg/mL/20mL

BW02946-1/电导率水质标样/不稀释/1000µS/cm/20mL

BW02941/总氮水质标样/20µg/mL/20mL

BW1768-20mg/306-08-1/高香草酸/HPLC≥98%/20mg

BW00849-2/电导率校准液/水/84µS/cm/100mL

BW1806-100mg/117704-25-3/多拉菌素/HPLC≥98%/100mg

BW1226/水中溶解性总固体质控样/20.0mg/L/100mL

SH-00617-1/福林酚试液B/H₂O/100mL

SH-00463-1/1465-25-4/盐酸萘乙二胺标准溶液/0.1%/250mL

生产厂家→环境分析标准溶液→单元素多元素标准溶液→能力验证样品→水质质控样→考核样→定制标准溶液→土壤成分分析标准物质

→土壤标样→土壤质控样→矿石标准样品

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来源：河南标准物质研发中心