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汞标准溶液,7439-97-6,10.0ng/g,基体: 0.4mol/L HCL,K+2.2mg/L,Na+23mg/L, Ca2+39mg/L,Mg2+11mg/L
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pH试纸 non-bleeding pH 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14
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汞 AAS 标准液 1,000 mg/l traceable to SRM from NIST Hg(NO₃)₂ in HNO₃ 2 mol/l 1000 mg/l Hg CertiPUR®
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汞 AAS 标准液 1,000 mg/l traceable to SRM from NIST Hg(NO₃)₂ in HNO₃ 2 mol/l 1000 mg/l Hg CertiPUR®
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pH 参比液,4M KCL(不含Ag/AgCl)
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pH 参比液,4M KCL(含Ag/AgCl)
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硝酸盐测试预装试剂 Method: photometric 0.10 - 3.00 mg/l NO₃-N 0.4 - 13.3 mg/l NO₃ Spectroquant®
Nitrate Cell Test in seawater Method: photometric 0.10 - 3.00 mg/l NO3-N 0.4 - 13.3 mg/l NO3
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EDTA二铵铜0.1 N标准液 Cu(NH4)2-EDTA 0.1 mol/l
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Sodium phosphate buffer (pH 6.9 0.02 mol/l) | MedChemExpress (MCE)
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硝酸盐测试试剂 Method: photometric, DMP 0.10 - 25.0 mg/l NO₃-N 0.4 - 110.7 mg/l NO₃⁻ Spectroquant®
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