Digital Salinity Meter with Temperature 70ppt Water Quality Tester. ... Foto4easy Salinometer Healthy Check Electric Aquarium Water Food Salt Salinity Meter Tester ...
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화합물 이름 sarsaponin CAS 번호 82597-74-8 화학식 C 27 H 44 O 3 분자량 416.6428 녹는점 605.9 CNMR 40.53(C1), 109.24(C2), 56.50(C3), 35.44(C4), 62.45(C5), 80.79(C7 ...
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An undercover author and an anonymous survey found that workers believed taking a long break could lead to warnings at an Amazon warehouse.
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