Sigma-Aldrich
Hastelloy® C276-heat resisting alloy, Ni57Mo17Cr16FeWMn
Haynes® 230 alloy
Hellma® absorption cuvettes, cells for magnetic stirrers
Hellma®吸收比色皿,用于磁力搅拌器细胞
Hellma® absorption cuvettes, semi Micro
Hellma® 半微量吸收比色皿
Hellma® absorption cuvettes, standard cells, semi Micro
Hellma® 吸收比色皿,半微量标准吸收池
Hellma® calibration standard, neutral density glass filter