1.1这些试验方法包括甲基纤维素的试验。 1.2试验方法按以下顺序出现: 剖面水分4和5硫酸盐灰分6至8氯化物氯化钠9至11碱度Na 2. 一氧化碳 3. 12至14铁15至19重金属20至22甲氧基含量23至26粘度:水溶性甲基纤维素27至29碱溶性甲基纤维素30至31 pH 32固体33至34密度35至39 1.3本标准无意解决与其使用相关的安全问题（如有）。本标准的用户有责任在使用前制定适当的安全和健康实践，并确定监管限制的适用性有关具体的危险说明，请参见注释1。

1.1 These test methods cover the testing of methylcellulose. 1.2 The test methods appear in the following order: Sections Moisture 4 and 5 Ash-as Sulfate 6 to 8 Chlorides-as Sodium Chloride 9 to 11 Alkalinity-as Na 2 CO 3 12 to 14 Iron 15 to 19 Heavy Metals 20 to 22 Methoxyl Content 23 to 26 Viscosity: Water-Soluble Methylcellulose 27 to 29 Alkali-Soluble Methylcellulose 30 to 31 pH 32 Solids 33 to 34 Density 35 to 39 1.3 This standard does not purport to address the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.> For a specific hazard statement, see Note 1.