巯基试剂（mercapto-reagent）： 称取DTNB 0.297g，盐酸胍0.086g，EDTA 0.056g，用0.1mol/L PBS试剂溶解并定容至500mL。
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采用巯基棉分离富集钙盐试剂中的痕量镉，用火焰原子吸收光谱法进行测定。
Trace cadmium in the calcium salt reagents was determined by flame atomic absorption spectrometry after separation and enrichment with sulfhydryl cotton.
尽管N -乙基马来酰亚胺(NEM)能够封闭巯基，但该试剂可增强三种大豆分离蛋白的凝胶强度。
It was found that N-Ethylmaleimide (NEM) could increase the gel strength of all three soy protein isolates, despite of the sulfhydryl groups blocking function of this reagent.
所述的有机溶剂采用甲醇、乙醇、异丙醇，巯基化试剂采用硫氢化钠、多硫化钠、硫脲。
The organic solvent adopts methanol, ethanol and isopropyl alcohol, the thiolation agent adopts sodium hydrosulfide, sodium sulfide and thiourea.
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