国产精品久久久在线观看_亚洲免费观看视频网站_国产盗摄视频一区二区三区_久久久国产一级 - 日本在线观看一区

歡迎來(lái)到寰標(biāo)網(wǎng)! 客服QQ:772084082 加入會(huì)員

TAPPI T 244 cm-99現(xiàn)行

Acid-insoluble Ash In Wood, Pulp, Paper, And Paperboard

出版:Technical Association of the Pulp & Paper Industry

獲取原文 如何獲取原文?問(wèn)客服 獲取原文,即可享受本標(biāo)準(zhǔn)狀態(tài)變更提醒服務(wù)!

專(zhuān)家解讀視頻

基本信息
標(biāo)準(zhǔn)編號(hào): TAPPI T 244 cm-99
發(fā)布時(shí)間:1999/10/22 0:00:00
標(biāo)準(zhǔn)類(lèi)別:Standard
出版單位:Technical Association of the Pulp & Paper Industry
標(biāo)準(zhǔn)頁(yè)數(shù):3
標(biāo)準(zhǔn)簡(jiǎn)介

Describes a procedure for determining the acid-insoluble ash content of cellulose samples. The sample is dry-ashed and the residue treated with hydrochloric acid. The insoluble residue is filtered, washed, ignited, and weighed. This method measures all acid insoluble material.

等同采用的國(guó)際標(biāo)準(zhǔn)

ISO 776:1982 - Identical