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NCS1871092 水中无机碳TIC
NCS1871093 13种混标-铝钙镉钴铬铜钾镁锰钠镍铅锌Al,Ca,Cd,Co,Cr,Cu,K,Mg,Mn,Na,Ni,Pb,Zn
NCS1871094 标准物质/7种混合标准溶液-铜铅锌铬镍钼镉Cu,Pb,Zn,Cr,Ni,Mo,Cd
NCSZ-NH3N-48.5μg/mL 标样/水质NH3N氨氮质控样48.5μg/mL
NCSZ-NH3N-40.7μg/mL 标样/水质NH3N氨氮质控样40.7μg/mL
NCS1871104 标准物质/AgNO3硝酸银滴定溶液0.3mol/L
NCS1871102 标准物质/20种元素混标-铅镉砷铬铝锰铜钡钒硒锑镍锡锂硼锌锶钼钴铷Pb,Cd,As,Cr,Al,Mn,Cu,Ba,V,Se,Sb,Ni,Sn,Li,B,Zn,Sr,Mo,Co,Rb
NCS1871103 标准物质/14种混标-铍铝铬锰镍砷硒镉锑铊铅铁铜锌-Be,Al,Cr,Mn,Ni,As,Se,Cd,Sb,Tl,Pb,Fe,Cu,Zn
NCS1871105 标准物质/34种金属混标-锂铍硼镁铝磷钾钙钛钒铬锰铁钴镍铜锌镓锗砷硒铷锶钼镉锡锑钡铂汞铊铅铋钠Li,Be,B,Mg,Al,P,K,Ca,Ti,V,Cr,Mn,Fe,Co,Ni,Cu,Zn,Ga,Ge,As,Se,Rb,Sr,Mo,Cd,Sn,Sb,Ba,Pt,Hg,Tl,Pb,Bi,Na
NCS1871109 标准物质/23种混合标准溶液-铬砷汞铅镉铜锌铁锰钾钠银镍钼钙镁硒钴硼铝钡铍锑Cr,As,Hg,Pb,Cd,Cu,Zn,Fe,Mn,K,Na,Ag,Ni,Mo,Ca,Mg,Se,Co,B,Al,Ba,Be,Sb