Spécifications de sécurité Photos ❘ Science Photo Library
12376730 - Chemistry student doing solvent-based extraction12376715 - Chemistry students using digital pH meters12376722 - Chemistry students performing a titration experiment12376707 - Chemistry students in a teaching laboratory12376723 - Chemistry students performing a titration experiment12376721 - Chemistry students performing a titration experiment12376720 - Chemistry students performing a titration experiment12376697 - Chemistry students using centrifuges12376714 - Chemistry students using digital pH meters12376705 - Chemistry students using rotary evaporator12376736 - Chemistry students using fume cupboard12376724 - Chemistry students performing a titration experiment12376713 - Chemistry students being supervised in lab12376696 - Chemistry students using centrifuges12376733 - Chemistry students using fume cupboard12376699 - Chemistry students using centrifuges12376700 - Chemistry students weighing chemicals12376719 - Chemistry students performing a titration experiment12376710 - Chemistry students using digital pH meters12376688 - Chemistry students using UV spectrometers12376727 - Chemistry student doing solvent-based extraction12376687 - Chemistry students using UV spectrometers12376692 - Loading cuvette sample into UV spectrometer12376718 - Chemistry students performing a titration experiment12376734 - Chemistry students using fume cupboard12376694 - Chemistry students using UV spectrometers12376689 - Chemistry students using UV spectrometers12376708 - Chemistry students using digital pH meters12376686 - Chemistry students using UV spectrometers12376712 - Chemistry students using digital pH meters12376732 - Chemistry student using fume cupboard12376690 - Chemistry students using UV spectrometers12376725 - Chemistry students using separating funnels12376703 - Chemistry students weighing chemicals12376698 - Chemistry students using a centrifuge12376737 - Chemistry students talking in lab12376735 - Chemistry students using fume cupboard12376701 - Chemistry students weighing chemicals12376702 - Chemistry students weighing chemicals12376716 - Chemistry students using digital pH meters12376726 - Chemistry students using separating funnels12376706 - Chemistry students using rotary evaporator12376711 - Chemistry students using digital pH meters12376731 - Chemistry students using separating funnels12376717 - Chemistry students talking in lab
