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铁标准溶液,7439-89-6,analytical standard ,1000mg/L in 5%HCl
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铍标准液 Be₄O(C₂H₃O₂)₆溶于0.5 mol/l HNO₃ 1000 mg/l Be CertiPUR®
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铍标准液 Be₄O(C₂H₃O₂)₆溶于0.5 mol/l HNO₃ 1000 mg/l Be CertiPUR®
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环氧氯丙烷标准溶液,106-89-8,1000mg/L,溶剂:二氯甲烷
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水质铅标样,7439-92-1,20-500 ug/L, in 1% HNO3
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纳米四氧化三铁分散液,1317-61-9,100-300 nm, 25% in H2O
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化合物CaCCinh-A01 T4330
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0.1 N氯化钠 for 1000 ml, c(NaCl) = 0.1 mol/l (0.1 N) Titrisol®
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N-Boc-3-氯-L-苯基丙氨酸,114873-03-9,97%
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一氯代铵测试试剂 Method: photometric 0.050 - 10.00 mg/l Cl₂ 0.036 - 7.25 mg/l NH₂Cl 0.010 - 1.96 mg/l NH₂Cl-N Spectroquant®
Monochloramine Test Method: photometric 0.050 - 10.00 mg/l Cl2 0.036 - 7.25 mg/l NH2Cl 0.010 - 1.96
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