PH标准缓冲液氨-氯化铵缓冲溶液 pH10 铵盐缓冲液 500ml 上海邦景实业有限公司

p1Src=//y1.yzimgs.com/uploads/543186/202214-114021378.jpg?watermark/2/text/5LiK5rW36YKm5pmv5a6e5Lia5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/650/fill/I0E3QTlBOA==/gravity/SouthEast&p2Src=//y2.yzimgs.com/uploads/543186/202214-114025193.jpg?watermark/2/text/5LiK5rW36YKm5pmv5a6e5Lia5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/650/fill/I0E3QTlBOA==/gravity/SouthEast&p3Src=//y2.yzimgs.com/uploads/543186/202214-11402990.jpg?watermark/2/text/5LiK5rW36YKm5pmv5a6e5Lia5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/650/fill/I0E3QTlBOA==/gravity/SouthEast