Import standard for trace element reference materials in estuarine sediments

BCR-185R bovine liver (trace element), standard substance 15g
BCR-187 natural milk powder (pesticide), standard substance 20g
BCR-188 spiked milk powder (pesticide), standard substance 20g
BCR-191 Brown Bread (Trace Elements), Standard Reference Material25g
BCR-261T tantalum oxide foil, standard material 2 x 4 foils, 5 mm x 10 mm
BCR-262R defatted peanut meal (Huangqu B1, blank), standard substance 100g
BCR-263R defatted peanut meal (Aspergillus flavus 1, low level), standard substance 100g
BCR-264 defatted peanut meal (Huangqu B1, high level), standard substance 150g
BCR-265 benzo (a, e) fluoranthene, standard substance 20mg
BCR-266 7H dibenzocarbazole, standard substance 20mg
BCR-267 Indeno (1,2,3-cd) fluoranthene, standard substance 20mg
BCR-269 Qu, standard substance 20mg
BCR-270 benzo [b] phenanthrene, standard substance 20mg
BCR-271 1,2-benzo [A] anthracene, standard substance 20mg
BCR-272 halogenated benzene, standard substance 20mg
BCR-273 single-cell protein (main component), standard substance 10g
BCR-274 single-cell protein (trace element), standard substance 10g
BCR-275 zirconium alloy (C, N, O), standard material 9g, 0.9g small disc
BCR-276 Zirconium Alloy (C, N, O), 20g Standard Material, 0.2g Small Bottle
BCR-27R estuarine sediment (trace elements), standard substance 40g
BCR-280R Lake Sediments (Trace Elements), Reference Material 30g
BCR-286A electrolytic refined lead (trace element), standard substance 600g, block
BCR-286B electrolytic refined lead (trace element), standard substance 160g,
BCR-287A hot precision lead (trace element), standard substance 600g, block
BCR-287B hot precision lead (trace element), standard substance 160g,
BCR-288B lead impurity (trace element), standard substance 160g,