正构烷烃的标准混合物 (包括C₁₇, C₁₈, C₁₉和C₂₀) [GC用标准物质], Standard Mixture of n-Paraffins (consists of C₁₇, C₁₈, C₁₉ and C₂₀) [Standard Material for GC]

Sodium [(S)-1,2-Diaminopropane-N,N,N',N'-tetraacetato]samarate(III)

[(S)-1,2-二氨基丙烷-N,N,N',N'-四乙酰基]钐(Ⅲ)酸钠

Sesamin

芝麻素

(S)-Styrene Oxide

(S)-氧化苯乙烯

S-Sodium Ethanethiosulfonate

乙硫代磺酸 S-钠盐

Sodium Hydrogen Carbonate

碳酸氢钠

Sulfamethazine

磺胺二甲嘧啶

汽油稀释用参考物质 (日本石油学会认证), Reference Material of Diluting Gasoline Certified by The Japan Petroleum Institute

N-Succinimidyl Acrylate

丙烯酸-N-琥珀酰亚胺酯

硒吩, Selenophene